8426840

素因数分解:

$2^3\times 5^1\times {\mathrm{210671}}^1$

素因数の和:210682

約数の個数: 16

約数和(自身を含む): 18960480

約数和(自身を除く): 10533640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210671, 421342, 842684, 1053355, 1685368, 2106710, 4213420, 8426840]

約数ペア:

[(1, 8426840), (2, 4213420), (4, 2106710), (5, 1685368), (8, 1053355), (10, 842684), (20, 421342), (40, 210671)]