80186020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41333}}^1$

素因数の和:41439

約数の個数: 24

約数和(自身を含む): 170130744

約数和(自身を除く): 89944724

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 41333, 82666, 165332, 206665, 413330, 826660, 4009301, 8018602, 16037204, 20046505, 40093010, 80186020]

約数ペア:

[(1, 80186020), (2, 40093010), (4, 20046505), (5, 16037204), (10, 8018602), (20, 4009301), (97, 826660), (194, 413330), (388, 206665), (485, 165332), (970, 82666), (1940, 41333)]