12605140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 27780480

約数和(自身を除く): 15175340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 211, 290, 412, 422, 515, 580, 844, 1030, 1055, 2060, 2110, 2987, 4220, 5974, 6119, 11948, 12238, 14935, 21733, 24476, 29870, 30595, 43466, 59740, 61190, 86932, 108665, 122380, 217330, 434660, 630257, 1260514, 2521028, 3151285, 6302570, 12605140]

約数ペア:

[(1, 12605140), (2, 6302570), (4, 3151285), (5, 2521028), (10, 1260514), (20, 630257), (29, 434660), (58, 217330), (103, 122380), (116, 108665), (145, 86932), (206, 61190), (211, 59740), (290, 43466), (412, 30595), (422, 29870), (515, 24476), (580, 21733), (844, 14935), (1030, 12238), (1055, 11948), (2060, 6119), (2110, 5974), (2987, 4220)]