40807180

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7529}}^1$

素因数の和:7809

約数の個数: 24

約数和(自身を含む): 86022720

約数和(自身を除く): 45215540

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 7529, 15058, 30116, 37645, 75290, 150580, 2040359, 4080718, 8161436, 10201795, 20403590, 40807180]

約数ペア:

[(1, 40807180), (2, 20403590), (4, 10201795), (5, 8161436), (10, 4080718), (20, 2040359), (271, 150580), (542, 75290), (1084, 37645), (1355, 30116), (2710, 15058), (5420, 7529)]