260738620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{102653}}^1$

素因数の和:102789

約数の個数: 24

約数和(自身を含む): 551867904

約数和(自身を除く): 291129284

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 102653, 205306, 410612, 513265, 1026530, 2053060, 13036931, 26073862, 52147724, 65184655, 130369310, 260738620]

約数ペア:

[(1, 260738620), (2, 130369310), (4, 65184655), (5, 52147724), (10, 26073862), (20, 13036931), (127, 2053060), (254, 1026530), (508, 513265), (635, 410612), (1270, 205306), (2540, 102653)]