84386840

素因数分解:

$2^3\times 5^1\times {\mathrm{2109671}}^1$

素因数の和:2109682

約数の個数: 16

約数和(自身を含む): 189870480

約数和(自身を除く): 105483640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2109671, 4219342, 8438684, 10548355, 16877368, 21096710, 42193420, 84386840]

約数ペア:

[(1, 84386840), (2, 42193420), (4, 21096710), (5, 16877368), (8, 10548355), (10, 8438684), (20, 4219342), (40, 2109671)]