172872340

素因数分解:

$2^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{3313}}^1$

素因数の和:5931

約数の個数: 24

約数和(自身を含む): 363280680

約数和(自身を除く): 190408340

約数列:

[1, 2, 4, 5, 10, 20, 2609, 3313, 5218, 6626, 10436, 13045, 13252, 16565, 26090, 33130, 52180, 66260, 8643617, 17287234, 34574468, 43218085, 86436170, 172872340]

約数ペア:

[(1, 172872340), (2, 86436170), (4, 43218085), (5, 34574468), (10, 17287234), (20, 8643617), (2609, 66260), (3313, 52180), (5218, 33130), (6626, 26090), (10436, 16565), (13045, 13252)]