40826780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 90810720

約数和(自身を除く): 49983940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 1637, 2494, 3274, 4988, 6235, 6548, 8185, 12470, 16370, 24940, 32740, 47473, 70391, 94946, 140782, 189892, 237365, 281564, 351955, 474730, 703910, 949460, 1407820, 2041339, 4082678, 8165356, 10206695, 20413390, 40826780]

約数ペア:

[(1, 40826780), (2, 20413390), (4, 10206695), (5, 8165356), (10, 4082678), (20, 2041339), (29, 1407820), (43, 949460), (58, 703910), (86, 474730), (116, 351955), (145, 281564), (172, 237365), (215, 189892), (290, 140782), (430, 94946), (580, 70391), (860, 47473), (1247, 32740), (1637, 24940), (2494, 16370), (3274, 12470), (4988, 8185), (6235, 6548)]