90859210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7853}}^1$

素因数の和:7962

約数の個数: 32

約数和(自身を含む): 178128720

約数和(自身を除く): 87269510

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7853, 11570, 15706, 39265, 78530, 102089, 204178, 510445, 698917, 1020890, 1397834, 3494585, 6989170, 9085921, 18171842, 45429605, 90859210]

約数ペア:

[(1, 90859210), (2, 45429605), (5, 18171842), (10, 9085921), (13, 6989170), (26, 3494585), (65, 1397834), (89, 1020890), (130, 698917), (178, 510445), (445, 204178), (890, 102089), (1157, 78530), (2314, 39265), (5785, 15706), (7853, 11570)]