90538370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 40

約数和(自身を含む): 177106284

約数和(自身を除く): 86567914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 317, 338, 634, 845, 1585, 1690, 2197, 3170, 4121, 4394, 8242, 10985, 20605, 21970, 28561, 41210, 53573, 57122, 107146, 142805, 267865, 285610, 535730, 696449, 1392898, 3482245, 6964490, 9053837, 18107674, 45269185, 90538370]

約数ペア:

[(1, 90538370), (2, 45269185), (5, 18107674), (10, 9053837), (13, 6964490), (26, 3482245), (65, 1392898), (130, 696449), (169, 535730), (317, 285610), (338, 267865), (634, 142805), (845, 107146), (1585, 57122), (1690, 53573), (2197, 41210), (3170, 28561), (4121, 21970), (4394, 20605), (8242, 10985)]