12472540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20117}}^1$

素因数の和:20157

約数の個数: 24

約数和(自身を含む): 27038592

約数和(自身を除く): 14566052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20117, 40234, 80468, 100585, 201170, 402340, 623627, 1247254, 2494508, 3118135, 6236270, 12472540]

約数ペア:

[(1, 12472540), (2, 6236270), (4, 3118135), (5, 2494508), (10, 1247254), (20, 623627), (31, 402340), (62, 201170), (124, 100585), (155, 80468), (310, 40234), (620, 20117)]