13420360

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2137}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 30402360

約数和(自身を除く): 16982000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2137, 3140, 4274, 6280, 8548, 10685, 17096, 21370, 42740, 85480, 335509, 671018, 1342036, 1677545, 2684072, 3355090, 6710180, 13420360]

約数ペア:

[(1, 13420360), (2, 6710180), (4, 3355090), (5, 2684072), (8, 1677545), (10, 1342036), (20, 671018), (40, 335509), (157, 85480), (314, 42740), (628, 21370), (785, 17096), (1256, 10685), (1570, 8548), (2137, 6280), (3140, 4274)]