8173680080

素因数分解:

$2^4\times 5^1\times {\mathrm{102171001}}^1$

素因数の和:102171014

約数の個数: 20

約数和(自身を含む): 19003806372

約数和(自身を除く): 10830126292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102171001, 204342002, 408684004, 510855005, 817368008, 1021710010, 1634736016, 2043420020, 4086840040, 8173680080]

約数ペア:

[(1, 8173680080), (2, 4086840040), (4, 2043420020), (5, 1634736016), (8, 1021710010), (10, 817368008), (16, 510855005), (20, 408684004), (40, 204342002), (80, 102171001)]