51383560

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2861}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 115911000

約数和(自身を除く): 64527440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 2861, 3592, 4490, 5722, 8980, 11444, 14305, 17960, 22888, 28610, 57220, 114440, 1284589, 2569178, 5138356, 6422945, 10276712, 12845890, 25691780, 51383560]

約数ペア:

[(1, 51383560), (2, 25691780), (4, 12845890), (5, 10276712), (8, 6422945), (10, 5138356), (20, 2569178), (40, 1284589), (449, 114440), (898, 57220), (1796, 28610), (2245, 22888), (2861, 17960), (3592, 14305), (4490, 11444), (5722, 8980)]