55940560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 148818600

約数和(自身を除く): 92878040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 149, 152, 190, 208, 247, 260, 298, 304, 361, 380, 494, 520, 596, 722, 745, 760, 988, 1040, 1192, 1235, 1444, 1490, 1520, 1805, 1937, 1976, 2384, 2470, 2831, 2888, 2980, 3610, 3874, 3952, 4693, 4940, 5662, 5776, 5960, 7220, 7748, 9386, 9685, 9880, 11324, 11920, 14155, 14440, 15496, 18772, 19370, 19760, 22648, 23465, 28310, 28880, 30992, 36803, 37544, 38740, 45296, 46930, 53789, 56620, 73606, 75088, 77480, 93860, 107578, 113240, 147212, 154960, 184015, 187720, 215156, 226480, 268945, 294424, 368030, 375440, 430312, 537890, 588848, 699257, 736060, 860624, 1075780, 1398514, 1472120, 2151560, 2797028, 2944240, 3496285, 4303120, 5594056, 6992570, 11188112, 13985140, 27970280, 55940560]

約数ペア:

[(1, 55940560), (2, 27970280), (4, 13985140), (5, 11188112), (8, 6992570), (10, 5594056), (13, 4303120), (16, 3496285), (19, 2944240), (20, 2797028), (26, 2151560), (38, 1472120), (40, 1398514), (52, 1075780), (65, 860624), (76, 736060), (80, 699257), (95, 588848), (104, 537890), (130, 430312), (149, 375440), (152, 368030), (190, 294424), (208, 268945), (247, 226480), (260, 215156), (298, 187720), (304, 184015), (361, 154960), (380, 147212), (494, 113240), (520, 107578), (596, 93860), (722, 77480), (745, 75088), (760, 73606), (988, 56620), (1040, 53789), (1192, 46930), (1235, 45296), (1444, 38740), (1490, 37544), (1520, 36803), (1805, 30992), (1937, 28880), (1976, 28310), (2384, 23465), (2470, 22648), (2831, 19760), (2888, 19370), (2980, 18772), (3610, 15496), (3874, 14440), (3952, 14155), (4693, 11920), (4940, 11324), (5662, 9880), (5776, 9685), (5960, 9386), (7220, 7748)]