25859080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^2$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 62940780

約数和(自身を除く): 37081700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 892, 1115, 1784, 2230, 2899, 4460, 5798, 8920, 11596, 14495, 23192, 28990, 49729, 57980, 99458, 115960, 198916, 248645, 397832, 497290, 646477, 994580, 1292954, 1989160, 2585908, 3232385, 5171816, 6464770, 12929540, 25859080]

約数ペア:

[(1, 25859080), (2, 12929540), (4, 6464770), (5, 5171816), (8, 3232385), (10, 2585908), (13, 1989160), (20, 1292954), (26, 994580), (40, 646477), (52, 497290), (65, 397832), (104, 248645), (130, 198916), (223, 115960), (260, 99458), (446, 57980), (520, 49729), (892, 28990), (1115, 23192), (1784, 14495), (2230, 11596), (2899, 8920), (4460, 5798)]