25685530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10399}}^1$

素因数の和:10438

約数の個数: 32

約数和(自身を含む): 52416000

約数和(自身を除く): 26730470

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 10399, 20798, 51995, 103990, 135187, 197581, 270374, 395162, 675935, 987905, 1351870, 1975810, 2568553, 5137106, 12842765, 25685530]

約数ペア:

[(1, 25685530), (2, 12842765), (5, 5137106), (10, 2568553), (13, 1975810), (19, 1351870), (26, 987905), (38, 675935), (65, 395162), (95, 270374), (130, 197581), (190, 135187), (247, 103990), (494, 51995), (1235, 20798), (2470, 10399)]