12513620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^2$

素因数の和:249

約数の個数: 54

約数和(自身を含む): 30841902

約数和(自身を除く): 18328282

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 5537, 7910, 11074, 12769, 15820, 22148, 25538, 27685, 51076, 55370, 63845, 89383, 110740, 127690, 178766, 255380, 357532, 446915, 625681, 893830, 1251362, 1787660, 2502724, 3128405, 6256810, 12513620]

約数ペア:

[(1, 12513620), (2, 6256810), (4, 3128405), (5, 2502724), (7, 1787660), (10, 1251362), (14, 893830), (20, 625681), (28, 446915), (35, 357532), (49, 255380), (70, 178766), (98, 127690), (113, 110740), (140, 89383), (196, 63845), (226, 55370), (245, 51076), (452, 27685), (490, 25538), (565, 22148), (791, 15820), (980, 12769), (1130, 11074), (1582, 7910), (2260, 5537), (3164, 3955)]