2562205040

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{78307}}^1$

素因数の和:78729

約数の個数: 40

約数和(自身を含む): 5971768080

約数和(自身を除く): 3409563040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 78307, 156614, 313228, 391535, 626456, 783070, 1252912, 1566140, 3132280, 6264560, 32027563, 64055126, 128110252, 160137815, 256220504, 320275630, 512441008, 640551260, 1281102520, 2562205040]

約数ペア:

[(1, 2562205040), (2, 1281102520), (4, 640551260), (5, 512441008), (8, 320275630), (10, 256220504), (16, 160137815), (20, 128110252), (40, 64055126), (80, 32027563), (409, 6264560), (818, 3132280), (1636, 1566140), (2045, 1252912), (3272, 783070), (4090, 626456), (6544, 391535), (8180, 313228), (16360, 156614), (32720, 78307)]