53750780

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6571}}^1$

素因数の和:6989

約数の個数: 24

約数和(自身を含む): 113169840

約数和(自身を除く): 59419060

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 6571, 8180, 13142, 26284, 32855, 65710, 131420, 2687539, 5375078, 10750156, 13437695, 26875390, 53750780]

約数ペア:

[(1, 53750780), (2, 26875390), (4, 13437695), (5, 10750156), (10, 5375078), (20, 2687539), (409, 131420), (818, 65710), (1636, 32855), (2045, 26284), (4090, 13142), (6571, 8180)]