71658260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{49081}}^1$

素因数の和:49163

約数の個数: 24

約数和(自身を含む): 152546856

約数和(自身を除く): 80888596

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 49081, 98162, 196324, 245405, 490810, 981620, 3582913, 7165826, 14331652, 17914565, 35829130, 71658260]

約数ペア:

[(1, 71658260), (2, 35829130), (4, 17914565), (5, 14331652), (10, 7165826), (20, 3582913), (73, 981620), (146, 490810), (292, 245405), (365, 196324), (730, 98162), (1460, 49081)]