31514680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9973}}^1$

素因数の和:10063

約数の個数: 32

約数和(自身を含む): 71812800

約数和(自身を除く): 40298120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9973, 19946, 39892, 49865, 79784, 99730, 199460, 398920, 787867, 1575734, 3151468, 3939335, 6302936, 7878670, 15757340, 31514680]

約数ペア:

[(1, 31514680), (2, 15757340), (4, 7878670), (5, 6302936), (8, 3939335), (10, 3151468), (20, 1575734), (40, 787867), (79, 398920), (158, 199460), (316, 99730), (395, 79784), (632, 49865), (790, 39892), (1580, 19946), (3160, 9973)]