172854160

素因数分解:

$2^4\times 5^1\times {\mathrm{2160677}}^1$

素因数の和:2160690

約数の個数: 20

約数和(自身を含む): 401886108

約数和(自身を除く): 229031948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2160677, 4321354, 8642708, 10803385, 17285416, 21606770, 34570832, 43213540, 86427080, 172854160]

約数ペア:

[(1, 172854160), (2, 86427080), (4, 43213540), (5, 34570832), (8, 21606770), (10, 17285416), (16, 10803385), (20, 8642708), (40, 4321354), (80, 2160677)]