13995980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 30996000

約数和(自身を除く): 17000020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 409, 580, 590, 818, 1180, 1636, 1711, 2045, 3422, 4090, 6844, 8180, 8555, 11861, 17110, 23722, 24131, 34220, 47444, 48262, 59305, 96524, 118610, 120655, 237220, 241310, 482620, 699799, 1399598, 2799196, 3498995, 6997990, 13995980]

約数ペア:

[(1, 13995980), (2, 6997990), (4, 3498995), (5, 2799196), (10, 1399598), (20, 699799), (29, 482620), (58, 241310), (59, 237220), (116, 120655), (118, 118610), (145, 96524), (236, 59305), (290, 48262), (295, 47444), (409, 34220), (580, 24131), (590, 23722), (818, 17110), (1180, 11861), (1636, 8555), (1711, 8180), (2045, 6844), (3422, 4090)]