215540860

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{10453}}^1$

素因数の和:11493

約数の個数: 24

約数和(自身を含む): 453118176

約数和(自身を除く): 237577316

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10310, 10453, 20620, 20906, 41812, 52265, 104530, 209060, 10777043, 21554086, 43108172, 53885215, 107770430, 215540860]

約数ペア:

[(1, 215540860), (2, 107770430), (4, 53885215), (5, 43108172), (10, 21554086), (20, 10777043), (1031, 209060), (2062, 104530), (4124, 52265), (5155, 41812), (10310, 20906), (10453, 20620)]