1027408040

素因数分解:

$2^3\times 5^1\times {\mathrm{25685201}}^1$

素因数の和:25685212

約数の個数: 16

約数和(自身を含む): 2311668180

約数和(自身を除く): 1284260140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 25685201, 51370402, 102740804, 128426005, 205481608, 256852010, 513704020, 1027408040]

約数ペア:

[(1, 1027408040), (2, 513704020), (4, 256852010), (5, 205481608), (8, 128426005), (10, 102740804), (20, 51370402), (40, 25685201)]