25492090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 49770000

約数和(自身を除く): 24277910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1249, 1570, 2041, 2498, 4082, 6245, 10205, 12490, 16237, 20410, 32474, 81185, 162370, 196093, 392186, 980465, 1960930, 2549209, 5098418, 12746045, 25492090]

約数ペア:

[(1, 25492090), (2, 12746045), (5, 5098418), (10, 2549209), (13, 1960930), (26, 980465), (65, 392186), (130, 196093), (157, 162370), (314, 81185), (785, 32474), (1249, 20410), (1570, 16237), (2041, 12490), (2498, 10205), (4082, 6245)]