1283620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4959

約数の個数: 24

約数和(自身を含む): 2903544

約数和(自身を除く): 1619924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4937, 9874, 19748, 24685, 49370, 64181, 98740, 128362, 256724, 320905, 641810, 1283620]

約数ペア:

[(1, 1283620), (2, 641810), (4, 320905), (5, 256724), (10, 128362), (13, 98740), (20, 64181), (26, 49370), (52, 24685), (65, 19748), (130, 9874), (260, 4937)]