156715280

素因数分解:

$2^4\times 5^1\times {\mathrm{1958941}}^1$

素因数の和:1958954

約数の個数: 20

約数和(自身を含む): 364363212

約数和(自身を除く): 207647932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1958941, 3917882, 7835764, 9794705, 15671528, 19589410, 31343056, 39178820, 78357640, 156715280]

約数ペア:

[(1, 156715280), (2, 78357640), (4, 39178820), (5, 31343056), (8, 19589410), (10, 15671528), (16, 9794705), (20, 7835764), (40, 3917882), (80, 1958941)]