7914220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5009}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 16833600

約数和(自身を除く): 8919380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5009, 10018, 20036, 25045, 50090, 100180, 395711, 791422, 1582844, 1978555, 3957110, 7914220]

約数ペア:

[(1, 7914220), (2, 3957110), (4, 1978555), (5, 1582844), (10, 791422), (20, 395711), (79, 100180), (158, 50090), (316, 25045), (395, 20036), (790, 10018), (1580, 5009)]