156900560

素因数分解:

$2^4\times 5^1\times {\mathrm{1961257}}^1$

素因数の和:1961270

約数の個数: 20

約数和(自身を含む): 364793988

約数和(自身を除く): 207893428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961257, 3922514, 7845028, 9806285, 15690056, 19612570, 31380112, 39225140, 78450280, 156900560]

約数ペア:

[(1, 156900560), (2, 78450280), (4, 39225140), (5, 31380112), (8, 19612570), (10, 15690056), (16, 9806285), (20, 7845028), (40, 3922514), (80, 1961257)]