38690920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9391}}^1$

素因数の和:9505

約数の個数: 32

約数和(自身を含む): 87909120

約数和(自身を除く): 49218200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 9391, 18782, 37564, 46955, 75128, 93910, 187820, 375640, 967273, 1934546, 3869092, 4836365, 7738184, 9672730, 19345460, 38690920]

約数ペア:

[(1, 38690920), (2, 19345460), (4, 9672730), (5, 7738184), (8, 4836365), (10, 3869092), (20, 1934546), (40, 967273), (103, 375640), (206, 187820), (412, 93910), (515, 75128), (824, 46955), (1030, 37564), (2060, 18782), (4120, 9391)]