8000000560

素因数分解:

$2^4\times 5^1\times {\mathrm{100000007}}^1$

素因数の和:100000020

約数の個数: 20

約数和(自身を含む): 18600001488

約数和(自身を除く): 10600000928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 100000007, 200000014, 400000028, 500000035, 800000056, 1000000070, 1600000112, 2000000140, 4000000280, 8000000560]

約数ペア:

[(1, 8000000560), (2, 4000000280), (4, 2000000140), (5, 1600000112), (8, 1000000070), (10, 800000056), (16, 500000035), (20, 400000028), (40, 200000014), (80, 100000007)]