27129640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 36322520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 191, 212, 265, 268, 335, 382, 424, 530, 536, 670, 764, 955, 1060, 1340, 1528, 1910, 2120, 2680, 3551, 3820, 7102, 7640, 10123, 12797, 14204, 17755, 20246, 25594, 28408, 35510, 40492, 50615, 51188, 63985, 71020, 80984, 101230, 102376, 127970, 142040, 202460, 255940, 404920, 511880, 678241, 1356482, 2712964, 3391205, 5425928, 6782410, 13564820, 27129640]

約数ペア:

[(1, 27129640), (2, 13564820), (4, 6782410), (5, 5425928), (8, 3391205), (10, 2712964), (20, 1356482), (40, 678241), (53, 511880), (67, 404920), (106, 255940), (134, 202460), (191, 142040), (212, 127970), (265, 102376), (268, 101230), (335, 80984), (382, 71020), (424, 63985), (530, 51188), (536, 50615), (670, 40492), (764, 35510), (955, 28408), (1060, 25594), (1340, 20246), (1528, 17755), (1910, 14204), (2120, 12797), (2680, 10123), (3551, 7640), (3820, 7102)]