23001640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 31430360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 251, 290, 316, 395, 502, 580, 632, 790, 1004, 1160, 1255, 1580, 2008, 2291, 2510, 3160, 4582, 5020, 7279, 9164, 10040, 11455, 14558, 18328, 19829, 22910, 29116, 36395, 39658, 45820, 58232, 72790, 79316, 91640, 99145, 145580, 158632, 198290, 291160, 396580, 575041, 793160, 1150082, 2300164, 2875205, 4600328, 5750410, 11500820, 23001640]

約数ペア:

[(1, 23001640), (2, 11500820), (4, 5750410), (5, 4600328), (8, 2875205), (10, 2300164), (20, 1150082), (29, 793160), (40, 575041), (58, 396580), (79, 291160), (116, 198290), (145, 158632), (158, 145580), (232, 99145), (251, 91640), (290, 79316), (316, 72790), (395, 58232), (502, 45820), (580, 39658), (632, 36395), (790, 29116), (1004, 22910), (1160, 19829), (1255, 18328), (1580, 14558), (2008, 11455), (2291, 10040), (2510, 9164), (3160, 7279), (4582, 5020)]