85857830

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{19381}}^1$

素因数の和:19831

約数の個数: 16

約数和(自身を含む): 154900944

約数和(自身を除く): 69043114

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 19381, 38762, 96905, 193810, 8585783, 17171566, 42928915, 85857830]

約数ペア:

[(1, 85857830), (2, 42928915), (5, 17171566), (10, 8585783), (443, 193810), (886, 96905), (2215, 38762), (4430, 19381)]