10811020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 25004448

約数和(自身を除く): 14193428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 313, 314, 626, 628, 785, 1252, 1565, 1570, 1727, 3130, 3140, 3443, 3454, 6260, 6886, 6908, 8635, 13772, 17215, 17270, 34430, 34540, 49141, 68860, 98282, 196564, 245705, 491410, 540551, 982820, 1081102, 2162204, 2702755, 5405510, 10811020]

約数ペア:

[(1, 10811020), (2, 5405510), (4, 2702755), (5, 2162204), (10, 1081102), (11, 982820), (20, 540551), (22, 491410), (44, 245705), (55, 196564), (110, 98282), (157, 68860), (220, 49141), (313, 34540), (314, 34430), (626, 17270), (628, 17215), (785, 13772), (1252, 8635), (1565, 6908), (1570, 6886), (1727, 6260), (3130, 3454), (3140, 3443)]