79747540

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{11491}}^1$

素因数の和:11847

約数の個数: 24

約数和(自身を含む): 167967072

約数和(自身を除く): 88219532

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 11491, 22982, 45964, 57455, 114910, 229820, 3987377, 7974754, 15949508, 19936885, 39873770, 79747540]

約数ペア:

[(1, 79747540), (2, 39873770), (4, 19936885), (5, 15949508), (10, 7974754), (20, 3987377), (347, 229820), (694, 114910), (1388, 57455), (1735, 45964), (3470, 22982), (6940, 11491)]