85403180

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{24683}}^1$

素因数の和:24865

約数の個数: 24

約数和(自身を含む): 180390672

約数和(自身を除く): 94987492

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 24683, 49366, 98732, 123415, 246830, 493660, 4270159, 8540318, 17080636, 21350795, 42701590, 85403180]

約数ペア:

[(1, 85403180), (2, 42701590), (4, 21350795), (5, 17080636), (10, 8540318), (20, 4270159), (173, 493660), (346, 246830), (692, 123415), (865, 98732), (1730, 49366), (3460, 24683)]