25855700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19889}}^1$

素因数の和:19916

約数の個数: 36

約数和(自身を含む): 60425820

約数和(自身を除く): 34570120

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 19889, 39778, 79556, 99445, 198890, 258557, 397780, 497225, 517114, 994450, 1034228, 1292785, 1988900, 2585570, 5171140, 6463925, 12927850, 25855700]

約数ペア:

[(1, 25855700), (2, 12927850), (4, 6463925), (5, 5171140), (10, 2585570), (13, 1988900), (20, 1292785), (25, 1034228), (26, 994450), (50, 517114), (52, 497225), (65, 397780), (100, 258557), (130, 198890), (260, 99445), (325, 79556), (650, 39778), (1300, 19889)]