61274420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43151}}^1$

素因数の和:43231

約数の個数: 24

約数和(自身を含む): 130491648

約数和(自身を除く): 69217228

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 43151, 86302, 172604, 215755, 431510, 863020, 3063721, 6127442, 12254884, 15318605, 30637210, 61274420]

約数ペア:

[(1, 61274420), (2, 30637210), (4, 15318605), (5, 12254884), (10, 6127442), (20, 3063721), (71, 863020), (142, 431510), (284, 215755), (355, 172604), (710, 86302), (1420, 43151)]