85686940

素因数分解:

$2^2\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{2411}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 180118512

約数和(自身を除く): 94431572

約数列:

[1, 2, 4, 5, 10, 20, 1777, 2411, 3554, 4822, 7108, 8885, 9644, 12055, 17770, 24110, 35540, 48220, 4284347, 8568694, 17137388, 21421735, 42843470, 85686940]

約数ペア:

[(1, 85686940), (2, 42843470), (4, 21421735), (5, 17137388), (10, 8568694), (20, 4284347), (1777, 48220), (2411, 35540), (3554, 24110), (4822, 17770), (7108, 12055), (8885, 9644)]