87748420

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3617}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 184474584

約数和(自身を除く): 96726164

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 3617, 4852, 6065, 7234, 12130, 14468, 18085, 24260, 36170, 72340, 4387421, 8774842, 17549684, 21937105, 43874210, 87748420]

約数ペア:

[(1, 87748420), (2, 43874210), (4, 21937105), (5, 17549684), (10, 8774842), (20, 4387421), (1213, 72340), (2426, 36170), (3617, 24260), (4852, 18085), (6065, 14468), (7234, 12130)]