85844420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{64063}}^1$

素因数の和:64139

約数の個数: 24

約数和(自身を含む): 182966784

約数和(自身を除く): 97122364

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 64063, 128126, 256252, 320315, 640630, 1281260, 4292221, 8584442, 17168884, 21461105, 42922210, 85844420]

約数ペア:

[(1, 85844420), (2, 42922210), (4, 21461105), (5, 17168884), (10, 8584442), (20, 4292221), (67, 1281260), (134, 640630), (268, 320315), (335, 256252), (670, 128126), (1340, 64063)]