79615720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12211}}^1$

素因数の和:12385

約数の個数: 32

約数和(自身を含む): 180249120

約数和(自身を除く): 100633400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12211, 24422, 48844, 61055, 97688, 122110, 244220, 488440, 1990393, 3980786, 7961572, 9951965, 15923144, 19903930, 39807860, 79615720]

約数ペア:

[(1, 79615720), (2, 39807860), (4, 19903930), (5, 15923144), (8, 9951965), (10, 7961572), (20, 3980786), (40, 1990393), (163, 488440), (326, 244220), (652, 122110), (815, 97688), (1304, 61055), (1630, 48844), (3260, 24422), (6520, 12211)]