123780010

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{51361}}^1$

素因数の和:51609

約数の個数: 16

約数和(自身を含む): 223732872

約数和(自身を除く): 99952862

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 51361, 102722, 256805, 513610, 12378001, 24756002, 61890005, 123780010]

約数ペア:

[(1, 123780010), (2, 61890005), (5, 24756002), (10, 12378001), (241, 513610), (482, 256805), (1205, 102722), (2410, 51361)]