15849640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3847}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 36017280

約数和(自身を除く): 20167640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3847, 4120, 7694, 15388, 19235, 30776, 38470, 76940, 153880, 396241, 792482, 1584964, 1981205, 3169928, 3962410, 7924820, 15849640]

約数ペア:

[(1, 15849640), (2, 7924820), (4, 3962410), (5, 3169928), (8, 1981205), (10, 1584964), (20, 792482), (40, 396241), (103, 153880), (206, 76940), (412, 38470), (515, 30776), (824, 19235), (1030, 15388), (2060, 7694), (3847, 4120)]