247560020

素因数分解:

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

素因数の和:51611

約数の個数: 24

約数和(自身を含む): 522043368

約数和(自身を除く): 274483348

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 51361, 102722, 205444, 256805, 513610, 1027220, 12378001, 24756002, 49512004, 61890005, 123780010, 247560020]

約数ペア:

[(1, 247560020), (2, 123780010), (4, 61890005), (5, 49512004), (10, 24756002), (20, 12378001), (241, 1027220), (482, 513610), (964, 256805), (1205, 205444), (2410, 102722), (4820, 51361)]