53213680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2738

約数の個数: 80

約数和(自身を含む): 140303520

約数和(自身を除く): 87089840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 2693, 3952, 4940, 5386, 9880, 10772, 13465, 19760, 21544, 26930, 35009, 43088, 51167, 53860, 70018, 102334, 107720, 140036, 175045, 204668, 215440, 255835, 280072, 350090, 409336, 511670, 560144, 665171, 700180, 818672, 1023340, 1330342, 1400360, 2046680, 2660684, 2800720, 3325855, 4093360, 5321368, 6651710, 10642736, 13303420, 26606840, 53213680]

約数ペア:

[(1, 53213680), (2, 26606840), (4, 13303420), (5, 10642736), (8, 6651710), (10, 5321368), (13, 4093360), (16, 3325855), (19, 2800720), (20, 2660684), (26, 2046680), (38, 1400360), (40, 1330342), (52, 1023340), (65, 818672), (76, 700180), (80, 665171), (95, 560144), (104, 511670), (130, 409336), (152, 350090), (190, 280072), (208, 255835), (247, 215440), (260, 204668), (304, 175045), (380, 140036), (494, 107720), (520, 102334), (760, 70018), (988, 53860), (1040, 51167), (1235, 43088), (1520, 35009), (1976, 26930), (2470, 21544), (2693, 19760), (3952, 13465), (4940, 10772), (5386, 9880)]