7887680

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^2$

素因数の和:331

約数の個数: 42

約数和(自身を含む): 18902934

約数和(自身を除く): 11015254

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 10048, 12560, 24649, 25120, 49298, 50240, 98596, 123245, 197192, 246490, 394384, 492980, 788768, 985960, 1577536, 1971920, 3943840, 7887680]

約数ペア:

[(1, 7887680), (2, 3943840), (4, 1971920), (5, 1577536), (8, 985960), (10, 788768), (16, 492980), (20, 394384), (32, 246490), (40, 197192), (64, 123245), (80, 98596), (157, 50240), (160, 49298), (314, 25120), (320, 24649), (628, 12560), (785, 10048), (1256, 6280), (1570, 5024), (2512, 3140)]