55741640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81973}}^1$

素因数の和:82001

約数の個数: 32

約数和(自身を含む): 132797880

約数和(自身を除く): 77056240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81973, 163946, 327892, 409865, 655784, 819730, 1393541, 1639460, 2787082, 3278920, 5574164, 6967705, 11148328, 13935410, 27870820, 55741640]

約数ペア:

[(1, 55741640), (2, 27870820), (4, 13935410), (5, 11148328), (8, 6967705), (10, 5574164), (17, 3278920), (20, 2787082), (34, 1639460), (40, 1393541), (68, 819730), (85, 655784), (136, 409865), (170, 327892), (340, 163946), (680, 81973)]