1357420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 2895984

約数和(自身を除く): 1538564

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1013, 1340, 2026, 4052, 5065, 10130, 20260, 67871, 135742, 271484, 339355, 678710, 1357420]

約数ペア:

[(1, 1357420), (2, 678710), (4, 339355), (5, 271484), (10, 135742), (20, 67871), (67, 20260), (134, 10130), (268, 5065), (335, 4052), (670, 2026), (1013, 1340)]