1296804920

素因数分解:

$2^3\times 5^1\times {\mathrm{32420123}}^1$

素因数の和:32420134

約数の個数: 16

約数和(自身を含む): 2917811160

約数和(自身を除く): 1621006240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32420123, 64840246, 129680492, 162100615, 259360984, 324201230, 648402460, 1296804920]

約数ペア:

[(1, 1296804920), (2, 648402460), (4, 324201230), (5, 259360984), (8, 162100615), (10, 129680492), (20, 64840246), (40, 32420123)]