25366690

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6521}}^1$

素因数の和:6917

約数の個数: 16

約数和(自身を含む): 45784440

約数和(自身を除く): 20417750

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 6521, 13042, 32605, 65210, 2536669, 5073338, 12683345, 25366690]

約数ペア:

[(1, 25366690), (2, 12683345), (5, 5073338), (10, 2536669), (389, 65210), (778, 32605), (1945, 13042), (3890, 6521)]