31252640

素因数分解:

$2^5\times 5^1\times {\mathrm{195329}}^1$

素因数の和:195344

約数の個数: 24

約数和(自身を含む): 73834740

約数和(自身を除く): 42582100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195329, 390658, 781316, 976645, 1562632, 1953290, 3125264, 3906580, 6250528, 7813160, 15626320, 31252640]

約数ペア:

[(1, 31252640), (2, 15626320), (4, 7813160), (5, 6250528), (8, 3906580), (10, 3125264), (16, 1953290), (20, 1562632), (32, 976645), (40, 781316), (80, 390658), (160, 195329)]