64144180

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6301}}^1$

素因数の和:6819

約数の個数: 24

約数和(自身を含む): 134988840

約数和(自身を除く): 70844660

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 6301, 10180, 12602, 25204, 31505, 63010, 126020, 3207209, 6414418, 12828836, 16036045, 32072090, 64144180]

約数ペア:

[(1, 64144180), (2, 32072090), (4, 16036045), (5, 12828836), (10, 6414418), (20, 3207209), (509, 126020), (1018, 63010), (2036, 31505), (2545, 25204), (5090, 12602), (6301, 10180)]