2021892080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1944127}}^1$

素因数の和:1944153

約数の個数: 40

約数和(自身を含む): 5062509312

約数和(自身を除く): 3040617232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1944127, 3888254, 7776508, 9720635, 15553016, 19441270, 25273651, 31106032, 38882540, 50547302, 77765080, 101094604, 126368255, 155530160, 202189208, 252736510, 404378416, 505473020, 1010946040, 2021892080]

約数ペア:

[(1, 2021892080), (2, 1010946040), (4, 505473020), (5, 404378416), (8, 252736510), (10, 202189208), (13, 155530160), (16, 126368255), (20, 101094604), (26, 77765080), (40, 50547302), (52, 38882540), (65, 31106032), (80, 25273651), (104, 19441270), (130, 15553016), (208, 9720635), (260, 7776508), (520, 3888254), (1040, 1944127)]