28244840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 70837200

約数和(自身を除く): 42592360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1873, 1885, 3016, 3746, 3770, 7492, 7540, 9365, 14984, 15080, 18730, 24349, 37460, 48698, 54317, 74920, 97396, 108634, 121745, 194792, 217268, 243490, 271585, 434536, 486980, 543170, 706121, 973960, 1086340, 1412242, 2172680, 2824484, 3530605, 5648968, 7061210, 14122420, 28244840]

約数ペア:

[(1, 28244840), (2, 14122420), (4, 7061210), (5, 5648968), (8, 3530605), (10, 2824484), (13, 2172680), (20, 1412242), (26, 1086340), (29, 973960), (40, 706121), (52, 543170), (58, 486980), (65, 434536), (104, 271585), (116, 243490), (130, 217268), (145, 194792), (232, 121745), (260, 108634), (290, 97396), (377, 74920), (520, 54317), (580, 48698), (754, 37460), (1160, 24349), (1508, 18730), (1873, 15080), (1885, 14984), (3016, 9365), (3746, 7540), (3770, 7492)]