25431380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97813}}^1$

素因数の和:97835

約数の個数: 24

約数和(自身を含む): 57514632

約数和(自身を除く): 32083252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97813, 195626, 391252, 489065, 978130, 1271569, 1956260, 2543138, 5086276, 6357845, 12715690, 25431380]

約数ペア:

[(1, 25431380), (2, 12715690), (4, 6357845), (5, 5086276), (10, 2543138), (13, 1956260), (20, 1271569), (26, 978130), (52, 489065), (65, 391252), (130, 195626), (260, 97813)]