80317820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12589}}^1$

素因数の和:12638

約数の個数: 48

約数和(自身を含む): 190360800

約数和(自身を除く): 110042980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 12589, 25178, 50356, 62945, 125890, 138479, 251780, 276958, 365081, 553916, 692395, 730162, 1384790, 1460324, 1825405, 2769580, 3650810, 4015891, 7301620, 8031782, 16063564, 20079455, 40158910, 80317820]

約数ペア:

[(1, 80317820), (2, 40158910), (4, 20079455), (5, 16063564), (10, 8031782), (11, 7301620), (20, 4015891), (22, 3650810), (29, 2769580), (44, 1825405), (55, 1460324), (58, 1384790), (110, 730162), (116, 692395), (145, 553916), (220, 365081), (290, 276958), (319, 251780), (580, 138479), (638, 125890), (1276, 62945), (1595, 50356), (3190, 25178), (6380, 12589)]