164808220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{104309}}^1$

素因数の和:104397

約数の個数: 24

約数和(自身を含む): 350481600

約数和(自身を除く): 185673380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 104309, 208618, 417236, 521545, 1043090, 2086180, 8240411, 16480822, 32961644, 41202055, 82404110, 164808220]

約数ペア:

[(1, 164808220), (2, 82404110), (4, 41202055), (5, 32961644), (10, 16480822), (20, 8240411), (79, 2086180), (158, 1043090), (316, 521545), (395, 417236), (790, 208618), (1580, 104309)]