64503160

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5087}}^1$

素因数の和:5415

約数の個数: 32

約数和(自身を含む): 145618560

約数和(自身を除く): 81115400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5087, 6340, 10174, 12680, 20348, 25435, 40696, 50870, 101740, 203480, 1612579, 3225158, 6450316, 8062895, 12900632, 16125790, 32251580, 64503160]

約数ペア:

[(1, 64503160), (2, 32251580), (4, 16125790), (5, 12900632), (8, 8062895), (10, 6450316), (20, 3225158), (40, 1612579), (317, 203480), (634, 101740), (1268, 50870), (1585, 40696), (2536, 25435), (3170, 20348), (5087, 12680), (6340, 10174)]