26670890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6521}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 48132360

約数和(自身を除く): 21461470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 6521, 13042, 32605, 65210, 2667089, 5334178, 13335445, 26670890]

約数ペア:

[(1, 26670890), (2, 13335445), (5, 5334178), (10, 2667089), (409, 65210), (818, 32605), (2045, 13042), (4090, 6521)]