1625420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 3467184

約数和(自身を除く): 1841764

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1213, 1340, 2426, 4852, 6065, 12130, 24260, 81271, 162542, 325084, 406355, 812710, 1625420]

約数ペア:

[(1, 1625420), (2, 812710), (4, 406355), (5, 325084), (10, 162542), (20, 81271), (67, 24260), (134, 12130), (268, 6065), (335, 4852), (670, 2426), (1213, 1340)]