68424220

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4157}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 143900064

約数和(自身を除く): 75475844

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 4157, 8230, 8314, 16460, 16628, 20785, 41570, 83140, 3421211, 6842422, 13684844, 17106055, 34212110, 68424220]

約数ペア:

[(1, 68424220), (2, 34212110), (4, 17106055), (5, 13684844), (10, 6842422), (20, 3421211), (823, 83140), (1646, 41570), (3292, 20785), (4115, 16628), (4157, 16460), (8230, 8314)]