64427432800

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{7643}}^1$

素因数の和:7961

約数の個数: 144

約数和(自身を含む): 161767739952

約数和(自身を除く): 97340307152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 257, 328, 400, 410, 514, 656, 800, 820, 1025, 1028, 1285, 1312, 1640, 2050, 2056, 2570, 3280, 4100, 4112, 5140, 6425, 6560, 7643, 8200, 8224, 10280, 10537, 12850, 15286, 16400, 20560, 21074, 25700, 30572, 32800, 38215, 41120, 42148, 51400, 52685, 61144, 76430, 84296, 102800, 105370, 122288, 152860, 168592, 191075, 205600, 210740, 244576, 263425, 305720, 313363, 337184, 382150, 421480, 526850, 611440, 626726, 764300, 842960, 1053700, 1222880, 1253452, 1528600, 1566815, 1685920, 1964251, 2107400, 2506904, 3057200, 3133630, 3928502, 4214800, 5013808, 6114400, 6267260, 7834075, 7857004, 8429600, 9821255, 10027616, 12534520, 15668150, 15714008, 19642510, 25069040, 31336300, 31428016, 39285020, 49106275, 50138080, 62672600, 62856032, 78570040, 80534291, 98212550, 125345200, 157140080, 161068582, 196425100, 250690400, 314280160, 322137164, 392850200, 402671455, 644274328, 785700400, 805342910, 1288548656, 1571400800, 1610685820, 2013357275, 2577097312, 3221371640, 4026714550, 6442743280, 8053429100, 12885486560, 16106858200, 32213716400, 64427432800]

約数ペア:

[(1, 64427432800), (2, 32213716400), (4, 16106858200), (5, 12885486560), (8, 8053429100), (10, 6442743280), (16, 4026714550), (20, 3221371640), (25, 2577097312), (32, 2013357275), (40, 1610685820), (41, 1571400800), (50, 1288548656), (80, 805342910), (82, 785700400), (100, 644274328), (160, 402671455), (164, 392850200), (200, 322137164), (205, 314280160), (257, 250690400), (328, 196425100), (400, 161068582), (410, 157140080), (514, 125345200), (656, 98212550), (800, 80534291), (820, 78570040), (1025, 62856032), (1028, 62672600), (1285, 50138080), (1312, 49106275), (1640, 39285020), (2050, 31428016), (2056, 31336300), (2570, 25069040), (3280, 19642510), (4100, 15714008), (4112, 15668150), (5140, 12534520), (6425, 10027616), (6560, 9821255), (7643, 8429600), (8200, 7857004), (8224, 7834075), (10280, 6267260), (10537, 6114400), (12850, 5013808), (15286, 4214800), (16400, 3928502), (20560, 3133630), (21074, 3057200), (25700, 2506904), (30572, 2107400), (32800, 1964251), (38215, 1685920), (41120, 1566815), (42148, 1528600), (51400, 1253452), (52685, 1222880), (61144, 1053700), (76430, 842960), (84296, 764300), (102800, 626726), (105370, 611440), (122288, 526850), (152860, 421480), (168592, 382150), (191075, 337184), (205600, 313363), (210740, 305720), (244576, 263425)]