8240080

素因数分解:

$2^4\times 5^1\times {\mathrm{103001}}^1$

素因数の和:103014

約数の個数: 20

約数和(自身を含む): 19158372

約数和(自身を除く): 10918292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103001, 206002, 412004, 515005, 824008, 1030010, 1648016, 2060020, 4120040, 8240080]

約数ペア:

[(1, 8240080), (2, 4120040), (4, 2060020), (5, 1648016), (8, 1030010), (10, 824008), (16, 515005), (20, 412004), (40, 206002), (80, 103001)]