91290040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 214824960

約数和(自身を除く): 123534920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 887, 1240, 1660, 1774, 2573, 3320, 3548, 4435, 5146, 7096, 8870, 10292, 12865, 17740, 20584, 25730, 27497, 35480, 51460, 54994, 73621, 102920, 109988, 137485, 147242, 219976, 274970, 294484, 368105, 549940, 588968, 736210, 1099880, 1472420, 2282251, 2944840, 4564502, 9129004, 11411255, 18258008, 22822510, 45645020, 91290040]

約数ペア:

[(1, 91290040), (2, 45645020), (4, 22822510), (5, 18258008), (8, 11411255), (10, 9129004), (20, 4564502), (31, 2944840), (40, 2282251), (62, 1472420), (83, 1099880), (124, 736210), (155, 588968), (166, 549940), (248, 368105), (310, 294484), (332, 274970), (415, 219976), (620, 147242), (664, 137485), (830, 109988), (887, 102920), (1240, 73621), (1660, 54994), (1774, 51460), (2573, 35480), (3320, 27497), (3548, 25730), (4435, 20584), (5146, 17740), (7096, 12865), (8870, 10292)]