31663240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113083}}^1$

素因数の和:113101

約数の個数: 32

約数和(自身を含む): 81420480

約数和(自身を除く): 49757240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113083, 226166, 452332, 565415, 791581, 904664, 1130830, 1583162, 2261660, 3166324, 3957905, 4523320, 6332648, 7915810, 15831620, 31663240]

約数ペア:

[(1, 31663240), (2, 15831620), (4, 7915810), (5, 6332648), (7, 4523320), (8, 3957905), (10, 3166324), (14, 2261660), (20, 1583162), (28, 1130830), (35, 904664), (40, 791581), (56, 565415), (70, 452332), (140, 226166), (280, 113083)]