253054940

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{25981}}^1$

素因数の和:26477

約数の個数: 24

約数和(自身を含む): 532527072

約数和(自身を除く): 279472132

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 25981, 51962, 103924, 129905, 259810, 519620, 12652747, 25305494, 50610988, 63263735, 126527470, 253054940]

約数ペア:

[(1, 253054940), (2, 126527470), (4, 63263735), (5, 50610988), (10, 25305494), (20, 12652747), (487, 519620), (974, 259810), (1948, 129905), (2435, 103924), (4870, 51962), (9740, 25981)]