25969450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39953}}^1$

素因数の和:39978

約数の個数: 24

約数和(自身を含む): 52020108

約数和(自身を除く): 26050658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 39953, 79906, 199765, 399530, 519389, 998825, 1038778, 1997650, 2596945, 5193890, 12984725, 25969450]

約数ペア:

[(1, 25969450), (2, 12984725), (5, 5193890), (10, 2596945), (13, 1997650), (25, 1038778), (26, 998825), (50, 519389), (65, 399530), (130, 199765), (325, 79906), (650, 39953)]