26241280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 72112320

約数和(自身を除く): 45871040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 83, 95, 104, 128, 130, 152, 160, 166, 190, 208, 247, 256, 260, 304, 320, 332, 380, 415, 416, 494, 520, 608, 640, 664, 760, 830, 832, 988, 1040, 1079, 1216, 1235, 1280, 1328, 1520, 1577, 1660, 1664, 1976, 2080, 2158, 2432, 2470, 2656, 3040, 3154, 3320, 3328, 3952, 4160, 4316, 4864, 4940, 5312, 5395, 6080, 6308, 6640, 7885, 7904, 8320, 8632, 9880, 10624, 10790, 12160, 12616, 13280, 15770, 15808, 16640, 17264, 19760, 20501, 21248, 21580, 24320, 25232, 26560, 31540, 31616, 34528, 39520, 41002, 43160, 50464, 53120, 63080, 63232, 69056, 79040, 82004, 86320, 100928, 102505, 106240, 126160, 138112, 158080, 164008, 172640, 201856, 205010, 252320, 276224, 316160, 328016, 345280, 403712, 410020, 504640, 656032, 690560, 820040, 1009280, 1312064, 1381120, 1640080, 2018560, 2624128, 3280160, 5248256, 6560320, 13120640, 26241280]

約数ペア:

[(1, 26241280), (2, 13120640), (4, 6560320), (5, 5248256), (8, 3280160), (10, 2624128), (13, 2018560), (16, 1640080), (19, 1381120), (20, 1312064), (26, 1009280), (32, 820040), (38, 690560), (40, 656032), (52, 504640), (64, 410020), (65, 403712), (76, 345280), (80, 328016), (83, 316160), (95, 276224), (104, 252320), (128, 205010), (130, 201856), (152, 172640), (160, 164008), (166, 158080), (190, 138112), (208, 126160), (247, 106240), (256, 102505), (260, 100928), (304, 86320), (320, 82004), (332, 79040), (380, 69056), (415, 63232), (416, 63080), (494, 53120), (520, 50464), (608, 43160), (640, 41002), (664, 39520), (760, 34528), (830, 31616), (832, 31540), (988, 26560), (1040, 25232), (1079, 24320), (1216, 21580), (1235, 21248), (1280, 20501), (1328, 19760), (1520, 17264), (1577, 16640), (1660, 15808), (1664, 15770), (1976, 13280), (2080, 12616), (2158, 12160), (2432, 10790), (2470, 10624), (2656, 9880), (3040, 8632), (3154, 8320), (3320, 7904), (3328, 7885), (3952, 6640), (4160, 6308), (4316, 6080), (4864, 5395), (4940, 5312)]