80785775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20071}}^1$

素因数の和:20111

約数の個数: 24

約数和(自身を含む): 119468544

約数和(自身を除く): 38682769

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 20071, 100355, 140497, 461633, 501775, 702485, 2308165, 3231431, 3512425, 11540825, 16157155, 80785775]

約数ペア:

[(1, 80785775), (5, 16157155), (7, 11540825), (23, 3512425), (25, 3231431), (35, 2308165), (115, 702485), (161, 501775), (175, 461633), (575, 140497), (805, 100355), (4025, 20071)]