17216980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78259}}^1$

素因数の和:78279

約数の個数: 24

約数和(自身を含む): 39443040

約数和(自身を除く): 22226060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 78259, 156518, 313036, 391295, 782590, 860849, 1565180, 1721698, 3443396, 4304245, 8608490, 17216980]

約数ペア:

[(1, 17216980), (2, 8608490), (4, 4304245), (5, 3443396), (10, 1721698), (11, 1565180), (20, 860849), (22, 782590), (44, 391295), (55, 313036), (110, 156518), (220, 78259)]