25928890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199453}}^1$

素因数の和:199473

約数の個数: 16

約数和(自身を含む): 50262408

約数和(自身を除く): 24333518

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199453, 398906, 997265, 1994530, 2592889, 5185778, 12964445, 25928890]

約数ペア:

[(1, 25928890), (2, 12964445), (5, 5185778), (10, 2592889), (13, 1994530), (26, 997265), (65, 398906), (130, 199453)]