8820340

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1409}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 18595080

約数和(自身を除く): 9774740

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1409, 1565, 2818, 3130, 5636, 6260, 7045, 14090, 28180, 441017, 882034, 1764068, 2205085, 4410170, 8820340]

約数ペア:

[(1, 8820340), (2, 4410170), (4, 2205085), (5, 1764068), (10, 882034), (20, 441017), (313, 28180), (626, 14090), (1252, 7045), (1409, 6260), (1565, 5636), (2818, 3130)]