85279280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7669}}^1$

素因数の和:7821

約数の個数: 40

約数和(自身を含む): 199726800

約数和(自身を除く): 114447520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 7669, 11120, 15338, 30676, 38345, 61352, 76690, 122704, 153380, 306760, 613520, 1065991, 2131982, 4263964, 5329955, 8527928, 10659910, 17055856, 21319820, 42639640, 85279280]

約数ペア:

[(1, 85279280), (2, 42639640), (4, 21319820), (5, 17055856), (8, 10659910), (10, 8527928), (16, 5329955), (20, 4263964), (40, 2131982), (80, 1065991), (139, 613520), (278, 306760), (556, 153380), (695, 122704), (1112, 76690), (1390, 61352), (2224, 38345), (2780, 30676), (5560, 15338), (7669, 11120)]