1920792575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{8431}}^1$

素因数の和:9155

約数の個数: 24

約数和(自身を含む): 2568960576

約数和(自身を除く): 648168001

約数列:

[1, 5, 13, 25, 65, 325, 701, 3505, 8431, 9113, 17525, 42155, 45565, 109603, 210775, 227825, 548015, 2740075, 5910131, 29550655, 76831703, 147753275, 384158515, 1920792575]

約数ペア:

[(1, 1920792575), (5, 384158515), (13, 147753275), (25, 76831703), (65, 29550655), (325, 5910131), (701, 2740075), (3505, 548015), (8431, 227825), (9113, 210775), (17525, 109603), (42155, 45565)]