313612240

素因数分解:

$2^4\times 5^1\times {\mathrm{3920153}}^1$

素因数の和:3920166

約数の個数: 20

約数和(自身を含む): 729148644

約数和(自身を除く): 415536404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3920153, 7840306, 15680612, 19600765, 31361224, 39201530, 62722448, 78403060, 156806120, 313612240]

約数ペア:

[(1, 313612240), (2, 156806120), (4, 78403060), (5, 62722448), (8, 39201530), (10, 31361224), (16, 19600765), (20, 15680612), (40, 7840306), (80, 3920153)]