8321020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13421}}^1$

素因数の和:13461

約数の個数: 24

約数和(自身を含む): 18039168

約数和(自身を除く): 9718148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13421, 26842, 53684, 67105, 134210, 268420, 416051, 832102, 1664204, 2080255, 4160510, 8321020]

約数ペア:

[(1, 8321020), (2, 4160510), (4, 2080255), (5, 1664204), (10, 832102), (20, 416051), (31, 268420), (62, 134210), (124, 67105), (155, 53684), (310, 26842), (620, 13421)]