28538420

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{2473}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 60058824

約数和(自身を除く): 31520404

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 2308, 2473, 2885, 4946, 5770, 9892, 11540, 12365, 24730, 49460, 1426921, 2853842, 5707684, 7134605, 14269210, 28538420]

約数ペア:

[(1, 28538420), (2, 14269210), (4, 7134605), (5, 5707684), (10, 2853842), (20, 1426921), (577, 49460), (1154, 24730), (2308, 12365), (2473, 11540), (2885, 9892), (4946, 5770)]