71051320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21401}}^1$

素因数の和:21495

約数の個数: 32

約数和(自身を含む): 161799120

約数和(自身を除く): 90747800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21401, 42802, 85604, 107005, 171208, 214010, 428020, 856040, 1776283, 3552566, 7105132, 8881415, 14210264, 17762830, 35525660, 71051320]

約数ペア:

[(1, 71051320), (2, 35525660), (4, 17762830), (5, 14210264), (8, 8881415), (10, 7105132), (20, 3552566), (40, 1776283), (83, 856040), (166, 428020), (332, 214010), (415, 171208), (664, 107005), (830, 85604), (1660, 42802), (3320, 21401)]