126236540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{153947}}^1$

素因数の和:153997

約数の個数: 24

約数和(自身を含む): 271564272

約数和(自身を除く): 145327732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 153947, 307894, 615788, 769735, 1539470, 3078940, 6311827, 12623654, 25247308, 31559135, 63118270, 126236540]

約数ペア:

[(1, 126236540), (2, 63118270), (4, 31559135), (5, 25247308), (10, 12623654), (20, 6311827), (41, 3078940), (82, 1539470), (164, 769735), (205, 615788), (410, 307894), (820, 153947)]