156664240

素因数分解:

$2^4\times 5^1\times {\mathrm{1958303}}^1$

素因数の和:1958316

約数の個数: 20

約数和(自身を含む): 364244544

約数和(自身を除く): 207580304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1958303, 3916606, 7833212, 9791515, 15666424, 19583030, 31332848, 39166060, 78332120, 156664240]

約数ペア:

[(1, 156664240), (2, 78332120), (4, 39166060), (5, 31332848), (8, 19583030), (10, 15666424), (16, 9791515), (20, 7833212), (40, 3916606), (80, 1958303)]