25401080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8699}}^1$

素因数の和:8783

約数の個数: 32

約数和(自身を含む): 57942000

約数和(自身を除く): 32540920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 8699, 17398, 34796, 43495, 69592, 86990, 173980, 347960, 635027, 1270054, 2540108, 3175135, 5080216, 6350270, 12700540, 25401080]

約数ペア:

[(1, 25401080), (2, 12700540), (4, 6350270), (5, 5080216), (8, 3175135), (10, 2540108), (20, 1270054), (40, 635027), (73, 347960), (146, 173980), (292, 86990), (365, 69592), (584, 43495), (730, 34796), (1460, 17398), (2920, 8699)]