39872825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 52377600

約数和(自身を除く): 12504775

約数列:

[1, 5, 25, 29, 43, 145, 215, 725, 1075, 1247, 1279, 6235, 6395, 31175, 31975, 37091, 54997, 185455, 274985, 927275, 1374925, 1594913, 7974565, 39872825]

約数ペア:

[(1, 39872825), (5, 7974565), (25, 1594913), (29, 1374925), (43, 927275), (145, 274985), (215, 185455), (725, 54997), (1075, 37091), (1247, 31975), (1279, 31175), (6235, 6395)]