2057600560

素因数分解:

$2^4\times 5^1\times {\mathrm{25720007}}^1$

素因数の和:25720020

約数の個数: 20

約数和(自身を含む): 4783921488

約数和(自身を除く): 2726320928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25720007, 51440014, 102880028, 128600035, 205760056, 257200070, 411520112, 514400140, 1028800280, 2057600560]

約数ペア:

[(1, 2057600560), (2, 1028800280), (4, 514400140), (5, 411520112), (8, 257200070), (10, 205760056), (16, 128600035), (20, 102880028), (40, 51440014), (80, 25720007)]