2912347640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{921629}}^1$

素因数の和:921719

約数の個数: 32

約数和(自身を含む): 6635736000

約数和(自身を除く): 3723388360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 921629, 1843258, 3686516, 4608145, 7373032, 9216290, 18432580, 36865160, 72808691, 145617382, 291234764, 364043455, 582469528, 728086910, 1456173820, 2912347640]

約数ペア:

[(1, 2912347640), (2, 1456173820), (4, 728086910), (5, 582469528), (8, 364043455), (10, 291234764), (20, 145617382), (40, 72808691), (79, 36865160), (158, 18432580), (316, 9216290), (395, 7373032), (632, 4608145), (790, 3686516), (1580, 1843258), (3160, 921629)]