26157580

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2621}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 55062000

約数和(自身を除く): 28904420

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 2621, 4990, 5242, 9980, 10484, 13105, 26210, 52420, 1307879, 2615758, 5231516, 6539395, 13078790, 26157580]

約数ペア:

[(1, 26157580), (2, 13078790), (4, 6539395), (5, 5231516), (10, 2615758), (20, 1307879), (499, 52420), (998, 26210), (1996, 13105), (2495, 10484), (2621, 9980), (4990, 5242)]