2563670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 4942080

約数和(自身を除く): 2378410

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 131, 190, 206, 262, 515, 655, 1030, 1310, 1957, 2489, 3914, 4978, 9785, 12445, 13493, 19570, 24890, 26986, 67465, 134930, 256367, 512734, 1281835, 2563670]

約数ペア:

[(1, 2563670), (2, 1281835), (5, 512734), (10, 256367), (19, 134930), (38, 67465), (95, 26986), (103, 24890), (131, 19570), (190, 13493), (206, 12445), (262, 9785), (515, 4978), (655, 3914), (1030, 2489), (1310, 1957)]