25199920

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1171}}^1$

素因数の和:1453

約数の個数: 40

約数和(自身を含む): 58857840

約数和(自身を除く): 33657920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1171, 1345, 2152, 2342, 2690, 4304, 4684, 5380, 5855, 9368, 10760, 11710, 18736, 21520, 23420, 46840, 93680, 314999, 629998, 1259996, 1574995, 2519992, 3149990, 5039984, 6299980, 12599960, 25199920]

約数ペア:

[(1, 25199920), (2, 12599960), (4, 6299980), (5, 5039984), (8, 3149990), (10, 2519992), (16, 1574995), (20, 1259996), (40, 629998), (80, 314999), (269, 93680), (538, 46840), (1076, 23420), (1171, 21520), (1345, 18736), (2152, 11710), (2342, 10760), (2690, 9368), (4304, 5855), (4684, 5380)]