169393520

素因数分解:

$2^4\times 5^1\times {\mathrm{2117419}}^1$

素因数の和:2117432

約数の個数: 20

約数和(自身を含む): 393840120

約数和(自身を除く): 224446600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2117419, 4234838, 8469676, 10587095, 16939352, 21174190, 33878704, 42348380, 84696760, 169393520]

約数ペア:

[(1, 169393520), (2, 84696760), (4, 42348380), (5, 33878704), (8, 21174190), (10, 16939352), (16, 10587095), (20, 8469676), (40, 4234838), (80, 2117419)]