85746440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{613}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 208882800

約数和(自身を除く): 123136360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 538, 613, 1076, 1226, 1345, 2152, 2452, 2690, 3065, 3497, 4904, 5380, 6130, 6994, 7969, 10760, 12260, 13988, 15938, 17485, 24520, 27976, 31876, 34970, 39845, 63752, 69940, 79690, 139880, 159380, 164897, 318760, 329794, 659588, 824485, 1319176, 1648970, 2143661, 3297940, 4287322, 6595880, 8574644, 10718305, 17149288, 21436610, 42873220, 85746440]

約数ペア:

[(1, 85746440), (2, 42873220), (4, 21436610), (5, 17149288), (8, 10718305), (10, 8574644), (13, 6595880), (20, 4287322), (26, 3297940), (40, 2143661), (52, 1648970), (65, 1319176), (104, 824485), (130, 659588), (260, 329794), (269, 318760), (520, 164897), (538, 159380), (613, 139880), (1076, 79690), (1226, 69940), (1345, 63752), (2152, 39845), (2452, 34970), (2690, 31876), (3065, 27976), (3497, 24520), (4904, 17485), (5380, 15938), (6130, 13988), (6994, 12260), (7969, 10760)]