12518140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 15060740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 191, 226, 290, 382, 452, 565, 580, 764, 955, 1130, 1910, 2260, 3277, 3820, 5539, 6554, 11078, 13108, 16385, 21583, 22156, 27695, 32770, 43166, 55390, 65540, 86332, 107915, 110780, 215830, 431660, 625907, 1251814, 2503628, 3129535, 6259070, 12518140]

約数ペア:

[(1, 12518140), (2, 6259070), (4, 3129535), (5, 2503628), (10, 1251814), (20, 625907), (29, 431660), (58, 215830), (113, 110780), (116, 107915), (145, 86332), (191, 65540), (226, 55390), (290, 43166), (382, 32770), (452, 27695), (565, 22156), (580, 21583), (764, 16385), (955, 13108), (1130, 11078), (1910, 6554), (2260, 5539), (3277, 3820)]