3271280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 7698912

約数和(自身を除く): 4427632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 397, 412, 515, 794, 824, 1030, 1588, 1648, 1985, 2060, 3176, 3970, 4120, 6352, 7940, 8240, 15880, 31760, 40891, 81782, 163564, 204455, 327128, 408910, 654256, 817820, 1635640, 3271280]

約数ペア:

[(1, 3271280), (2, 1635640), (4, 817820), (5, 654256), (8, 408910), (10, 327128), (16, 204455), (20, 163564), (40, 81782), (80, 40891), (103, 31760), (206, 15880), (397, 8240), (412, 7940), (515, 6352), (794, 4120), (824, 3970), (1030, 3176), (1588, 2060), (1648, 1985)]