40008205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2789}}^1$

素因数の和:2964

約数の個数: 16

約数和(自身を含む): 50889600

約数和(自身を除く): 10881395

約数列:

[1, 5, 19, 95, 151, 755, 2789, 2869, 13945, 14345, 52991, 264955, 421139, 2105695, 8001641, 40008205]

約数ペア:

[(1, 40008205), (5, 8001641), (19, 2105695), (95, 421139), (151, 264955), (755, 52991), (2789, 14345), (2869, 13945)]