20181208325

素因数分解:

$5^2\times {\mathrm{419}}^1\times {\mathrm{443}}^1\times {\mathrm{4349}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 25146828000

約数和(自身を除く): 4965619675

約数列:

[1, 5, 25, 419, 443, 2095, 2215, 4349, 10475, 11075, 21745, 108725, 185617, 928085, 1822231, 1926607, 4640425, 9111155, 9633035, 45555775, 48165175, 807248333, 4036241665, 20181208325]

約数ペア:

[(1, 20181208325), (5, 4036241665), (25, 807248333), (419, 48165175), (443, 45555775), (2095, 9633035), (2215, 9111155), (4349, 4640425), (10475, 1926607), (11075, 1822231), (21745, 928085), (108725, 185617)]