87218260

素因数分解:

$2^2\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{2531}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 183337056

約数和(自身を除く): 96118796

約数列:

[1, 2, 4, 5, 10, 20, 1723, 2531, 3446, 5062, 6892, 8615, 10124, 12655, 17230, 25310, 34460, 50620, 4360913, 8721826, 17443652, 21804565, 43609130, 87218260]

約数ペア:

[(1, 87218260), (2, 43609130), (4, 21804565), (5, 17443652), (10, 8721826), (20, 4360913), (1723, 50620), (2531, 34460), (3446, 25310), (5062, 17230), (6892, 12655), (8615, 10124)]