23101720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 55404000

約数和(自身を除く): 32302280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 269, 380, 452, 538, 565, 760, 904, 1076, 1130, 1345, 2147, 2152, 2260, 2690, 4294, 4520, 5111, 5380, 8588, 10222, 10735, 10760, 17176, 20444, 21470, 25555, 30397, 40888, 42940, 51110, 60794, 85880, 102220, 121588, 151985, 204440, 243176, 303970, 577543, 607940, 1155086, 1215880, 2310172, 2887715, 4620344, 5775430, 11550860, 23101720]

約数ペア:

[(1, 23101720), (2, 11550860), (4, 5775430), (5, 4620344), (8, 2887715), (10, 2310172), (19, 1215880), (20, 1155086), (38, 607940), (40, 577543), (76, 303970), (95, 243176), (113, 204440), (152, 151985), (190, 121588), (226, 102220), (269, 85880), (380, 60794), (452, 51110), (538, 42940), (565, 40888), (760, 30397), (904, 25555), (1076, 21470), (1130, 20444), (1345, 17176), (2147, 10760), (2152, 10735), (2260, 10222), (2690, 8588), (4294, 5380), (4520, 5111)]