9797980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11393}}^1$

素因数の和:11445

約数の個数: 24

約数和(自身を含む): 21056112

約数和(自身を除く): 11258132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 11393, 22786, 45572, 56965, 113930, 227860, 489899, 979798, 1959596, 2449495, 4898990, 9797980]

約数ペア:

[(1, 9797980), (2, 4898990), (4, 2449495), (5, 1959596), (10, 979798), (20, 489899), (43, 227860), (86, 113930), (172, 56965), (215, 45572), (430, 22786), (860, 11393)]