40190045

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 57484728

約数和(自身を除く): 17294683

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 4001, 10045, 20005, 28007, 140035, 164041, 196049, 820205, 980245, 1148287, 5741435, 8038009, 40190045]

約数ペア:

[(1, 40190045), (5, 8038009), (7, 5741435), (35, 1148287), (41, 980245), (49, 820205), (205, 196049), (245, 164041), (287, 140035), (1435, 28007), (2009, 20005), (4001, 10045)]