2656551280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{322397}}^1$

素因数の和:322513

約数の個数: 40

約数和(自身を含む): 6236466912

約数和(自身を除く): 3579915632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 322397, 644794, 1289588, 1611985, 2579176, 3223970, 5158352, 6447940, 12895880, 25791760, 33206891, 66413782, 132827564, 166034455, 265655128, 332068910, 531310256, 664137820, 1328275640, 2656551280]

約数ペア:

[(1, 2656551280), (2, 1328275640), (4, 664137820), (5, 531310256), (8, 332068910), (10, 265655128), (16, 166034455), (20, 132827564), (40, 66413782), (80, 33206891), (103, 25791760), (206, 12895880), (412, 6447940), (515, 5158352), (824, 3223970), (1030, 2579176), (1648, 1611985), (2060, 1289588), (4120, 644794), (8240, 322397)]