78201620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{558583}}^1$

素因数の和:558599

約数の個数: 24

約数和(自身を含む): 187684224

約数和(自身を除く): 109482604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 558583, 1117166, 2234332, 2792915, 3910081, 5585830, 7820162, 11171660, 15640324, 19550405, 39100810, 78201620]

約数ペア:

[(1, 78201620), (2, 39100810), (4, 19550405), (5, 15640324), (7, 11171660), (10, 7820162), (14, 5585830), (20, 3910081), (28, 2792915), (35, 2234332), (70, 1117166), (140, 558583)]