9909580

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1583}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 20889792

約数和(自身を除く): 10980212

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 1583, 3130, 3166, 6260, 6332, 7915, 15830, 31660, 495479, 990958, 1981916, 2477395, 4954790, 9909580]

約数ペア:

[(1, 9909580), (2, 4954790), (4, 2477395), (5, 1981916), (10, 990958), (20, 495479), (313, 31660), (626, 15830), (1252, 7915), (1565, 6332), (1583, 6260), (3130, 3166)]