49985020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80621}}^1$

素因数の和:80661

約数の個数: 24

約数和(自身を含む): 108355968

約数和(自身を除く): 58370948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 80621, 161242, 322484, 403105, 806210, 1612420, 2499251, 4998502, 9997004, 12496255, 24992510, 49985020]

約数ペア:

[(1, 49985020), (2, 24992510), (4, 12496255), (5, 9997004), (10, 4998502), (20, 2499251), (31, 1612420), (62, 806210), (124, 403105), (155, 322484), (310, 161242), (620, 80621)]