39908830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306991}}^1$

素因数の和:307011

約数の個数: 16

約数和(自身を含む): 77361984

約数和(自身を除く): 37453154

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 306991, 613982, 1534955, 3069910, 3990883, 7981766, 19954415, 39908830]

約数ペア:

[(1, 39908830), (2, 19954415), (5, 7981766), (10, 3990883), (13, 3069910), (26, 1534955), (65, 613982), (130, 306991)]