31387943480

素因数分解:

$2^3\times 5^1\times {\mathrm{7907}}^1\times {\mathrm{99241}}^1$

素因数の和:107159

約数の個数: 32

約数和(自身を含む): 70632516240

約数和(自身を除く): 39244572760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7907, 15814, 31628, 39535, 63256, 79070, 99241, 158140, 198482, 316280, 396964, 496205, 793928, 992410, 1984820, 3969640, 784698587, 1569397174, 3138794348, 3923492935, 6277588696, 7846985870, 15693971740, 31387943480]

約数ペア:

[(1, 31387943480), (2, 15693971740), (4, 7846985870), (5, 6277588696), (8, 3923492935), (10, 3138794348), (20, 1569397174), (40, 784698587), (7907, 3969640), (15814, 1984820), (31628, 992410), (39535, 793928), (63256, 496205), (79070, 396964), (99241, 316280), (158140, 198482)]