12338920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 31363200

約数和(自身を除く): 19024280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 967, 1160, 1276, 1595, 1934, 2552, 3190, 3868, 4835, 6380, 7736, 9670, 10637, 12760, 19340, 21274, 28043, 38680, 42548, 53185, 56086, 85096, 106370, 112172, 140215, 212740, 224344, 280430, 308473, 425480, 560860, 616946, 1121720, 1233892, 1542365, 2467784, 3084730, 6169460, 12338920]

約数ペア:

[(1, 12338920), (2, 6169460), (4, 3084730), (5, 2467784), (8, 1542365), (10, 1233892), (11, 1121720), (20, 616946), (22, 560860), (29, 425480), (40, 308473), (44, 280430), (55, 224344), (58, 212740), (88, 140215), (110, 112172), (116, 106370), (145, 85096), (220, 56086), (232, 53185), (290, 42548), (319, 38680), (440, 28043), (580, 21274), (638, 19340), (967, 12760), (1160, 10637), (1276, 9670), (1595, 7736), (1934, 6380), (2552, 4835), (3190, 3868)]