2661620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 6244560

約数和(自身を除く): 3582940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 353, 377, 580, 706, 754, 1412, 1508, 1765, 1885, 3530, 3770, 4589, 7060, 7540, 9178, 10237, 18356, 20474, 22945, 40948, 45890, 51185, 91780, 102370, 133081, 204740, 266162, 532324, 665405, 1330810, 2661620]

約数ペア:

[(1, 2661620), (2, 1330810), (4, 665405), (5, 532324), (10, 266162), (13, 204740), (20, 133081), (26, 102370), (29, 91780), (52, 51185), (58, 45890), (65, 40948), (116, 22945), (130, 20474), (145, 18356), (260, 10237), (290, 9178), (353, 7540), (377, 7060), (580, 4589), (706, 3770), (754, 3530), (1412, 1885), (1508, 1765)]