172100080

素因数分解:

$2^4\times 5^1\times {\mathrm{2151251}}^1$

素因数の和:2151264

約数の個数: 20

約数和(自身を含む): 400132872

約数和(自身を除く): 228032792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2151251, 4302502, 8605004, 10756255, 17210008, 21512510, 34420016, 43025020, 86050040, 172100080]

約数ペア:

[(1, 172100080), (2, 86050040), (4, 43025020), (5, 34420016), (8, 21512510), (10, 17210008), (16, 10756255), (20, 8605004), (40, 4302502), (80, 2151251)]