16201998080

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2179}}^1$

素因数の和:2394

約数の個数: 144

約数和(自身を含む): 40130015520

約数和(自身を除く): 23928017440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 157, 160, 185, 256, 296, 314, 320, 370, 592, 628, 640, 740, 785, 1184, 1256, 1280, 1480, 1570, 2179, 2368, 2512, 2960, 3140, 4358, 4736, 5024, 5809, 5920, 6280, 8716, 9472, 10048, 10895, 11618, 11840, 12560, 17432, 20096, 21790, 23236, 23680, 25120, 29045, 34864, 40192, 43580, 46472, 47360, 50240, 58090, 69728, 80623, 87160, 92944, 100480, 116180, 139456, 161246, 174320, 185888, 200960, 232360, 278912, 322492, 342103, 348640, 371776, 403115, 464720, 557824, 644984, 684206, 697280, 743552, 806230, 929440, 1289968, 1368412, 1394560, 1487104, 1612460, 1710515, 1858880, 2579936, 2736824, 2789120, 3224920, 3421030, 3717760, 5159872, 5473648, 6449840, 6842060, 7435520, 10319744, 10947296, 12657811, 12899680, 13684120, 20639488, 21894592, 25315622, 25799360, 27368240, 43789184, 50631244, 51598720, 54736480, 63289055, 87578368, 101262488, 103197440, 109472960, 126578110, 202524976, 218945920, 253156220, 405049952, 437891840, 506312440, 810099904, 1012624880, 1620199808, 2025249760, 3240399616, 4050499520, 8100999040, 16201998080]

約数ペア:

[(1, 16201998080), (2, 8100999040), (4, 4050499520), (5, 3240399616), (8, 2025249760), (10, 1620199808), (16, 1012624880), (20, 810099904), (32, 506312440), (37, 437891840), (40, 405049952), (64, 253156220), (74, 218945920), (80, 202524976), (128, 126578110), (148, 109472960), (157, 103197440), (160, 101262488), (185, 87578368), (256, 63289055), (296, 54736480), (314, 51598720), (320, 50631244), (370, 43789184), (592, 27368240), (628, 25799360), (640, 25315622), (740, 21894592), (785, 20639488), (1184, 13684120), (1256, 12899680), (1280, 12657811), (1480, 10947296), (1570, 10319744), (2179, 7435520), (2368, 6842060), (2512, 6449840), (2960, 5473648), (3140, 5159872), (4358, 3717760), (4736, 3421030), (5024, 3224920), (5809, 2789120), (5920, 2736824), (6280, 2579936), (8716, 1858880), (9472, 1710515), (10048, 1612460), (10895, 1487104), (11618, 1394560), (11840, 1368412), (12560, 1289968), (17432, 929440), (20096, 806230), (21790, 743552), (23236, 697280), (23680, 684206), (25120, 644984), (29045, 557824), (34864, 464720), (40192, 403115), (43580, 371776), (46472, 348640), (47360, 342103), (50240, 322492), (58090, 278912), (69728, 232360), (80623, 200960), (87160, 185888), (92944, 174320), (100480, 161246), (116180, 139456)]