12852280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 33359040

約数和(自身を除く): 20506760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 233, 280, 394, 466, 788, 932, 985, 1165, 1379, 1576, 1631, 1864, 1970, 2330, 2758, 3262, 3940, 4660, 5516, 6524, 6895, 7880, 8155, 9320, 11032, 13048, 13790, 16310, 27580, 32620, 45901, 55160, 65240, 91802, 183604, 229505, 321307, 367208, 459010, 642614, 918020, 1285228, 1606535, 1836040, 2570456, 3213070, 6426140, 12852280]

約数ペア:

[(1, 12852280), (2, 6426140), (4, 3213070), (5, 2570456), (7, 1836040), (8, 1606535), (10, 1285228), (14, 918020), (20, 642614), (28, 459010), (35, 367208), (40, 321307), (56, 229505), (70, 183604), (140, 91802), (197, 65240), (233, 55160), (280, 45901), (394, 32620), (466, 27580), (788, 16310), (932, 13790), (985, 13048), (1165, 11032), (1379, 9320), (1576, 8155), (1631, 7880), (1864, 6895), (1970, 6524), (2330, 5516), (2758, 4660), (3262, 3940)]