80195440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2659}}^1$

素因数の和:2714

約数の個数: 80

約数和(自身を含む): 207799200

約数和(自身を除く): 127603760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 2659, 3016, 3770, 5318, 6032, 7540, 10636, 13295, 15080, 21272, 26590, 30160, 34567, 42544, 53180, 69134, 77111, 106360, 138268, 154222, 172835, 212720, 276536, 308444, 345670, 385555, 553072, 616888, 691340, 771110, 1002443, 1233776, 1382680, 1542220, 2004886, 2765360, 3084440, 4009772, 5012215, 6168880, 8019544, 10024430, 16039088, 20048860, 40097720, 80195440]

約数ペア:

[(1, 80195440), (2, 40097720), (4, 20048860), (5, 16039088), (8, 10024430), (10, 8019544), (13, 6168880), (16, 5012215), (20, 4009772), (26, 3084440), (29, 2765360), (40, 2004886), (52, 1542220), (58, 1382680), (65, 1233776), (80, 1002443), (104, 771110), (116, 691340), (130, 616888), (145, 553072), (208, 385555), (232, 345670), (260, 308444), (290, 276536), (377, 212720), (464, 172835), (520, 154222), (580, 138268), (754, 106360), (1040, 77111), (1160, 69134), (1508, 53180), (1885, 42544), (2320, 34567), (2659, 30160), (3016, 26590), (3770, 21272), (5318, 15080), (6032, 13295), (7540, 10636)]