127545080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245279}}^1$

素因数の和:245303

約数の個数: 32

約数和(自身を含む): 309052800

約数和(自身を除く): 181507720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 245279, 490558, 981116, 1226395, 1962232, 2452790, 3188627, 4905580, 6377254, 9811160, 12754508, 15943135, 25509016, 31886270, 63772540, 127545080]

約数ペア:

[(1, 127545080), (2, 63772540), (4, 31886270), (5, 25509016), (8, 15943135), (10, 12754508), (13, 9811160), (20, 6377254), (26, 4905580), (40, 3188627), (52, 2452790), (65, 1962232), (104, 1226395), (130, 981116), (260, 490558), (520, 245279)]