8119220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1297}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 17118024

約数和(自身を除く): 8998804

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1297, 1565, 2594, 3130, 5188, 6260, 6485, 12970, 25940, 405961, 811922, 1623844, 2029805, 4059610, 8119220]

約数ペア:

[(1, 8119220), (2, 4059610), (4, 2029805), (5, 1623844), (10, 811922), (20, 405961), (313, 25940), (626, 12970), (1252, 6485), (1297, 6260), (1565, 5188), (2594, 3130)]