25796660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 56851200

約数和(自身を除く): 31054540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 563, 580, 790, 1126, 1580, 2252, 2291, 2815, 4582, 5630, 9164, 11260, 11455, 16327, 22910, 32654, 44477, 45820, 65308, 81635, 88954, 163270, 177908, 222385, 326540, 444770, 889540, 1289833, 2579666, 5159332, 6449165, 12898330, 25796660]

約数ペア:

[(1, 25796660), (2, 12898330), (4, 6449165), (5, 5159332), (10, 2579666), (20, 1289833), (29, 889540), (58, 444770), (79, 326540), (116, 222385), (145, 177908), (158, 163270), (290, 88954), (316, 81635), (395, 65308), (563, 45820), (580, 44477), (790, 32654), (1126, 22910), (1580, 16327), (2252, 11455), (2291, 11260), (2815, 9164), (4582, 5630)]