77381840

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9391}}^1$

素因数の和:9507

約数の個数: 40

約数和(自身を含む): 181678848

約数和(自身を除く): 104297008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 9391, 18782, 37564, 46955, 75128, 93910, 150256, 187820, 375640, 751280, 967273, 1934546, 3869092, 4836365, 7738184, 9672730, 15476368, 19345460, 38690920, 77381840]

約数ペア:

[(1, 77381840), (2, 38690920), (4, 19345460), (5, 15476368), (8, 9672730), (10, 7738184), (16, 4836365), (20, 3869092), (40, 1934546), (80, 967273), (103, 751280), (206, 375640), (412, 187820), (515, 150256), (824, 93910), (1030, 75128), (1648, 46955), (2060, 37564), (4120, 18782), (8240, 9391)]