31563160

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6983}}^1$

素因数の和:7107

約数の個数: 32

約数和(自身を含む): 71655840

約数和(自身を除く): 40092680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6983, 13966, 27932, 34915, 55864, 69830, 139660, 279320, 789079, 1578158, 3156316, 3945395, 6312632, 7890790, 15781580, 31563160]

約数ペア:

[(1, 31563160), (2, 15781580), (4, 7890790), (5, 6312632), (8, 3945395), (10, 3156316), (20, 1578158), (40, 789079), (113, 279320), (226, 139660), (452, 69830), (565, 55864), (904, 34915), (1130, 27932), (2260, 13966), (4520, 6983)]