23549380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 27677180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 197, 215, 278, 394, 430, 556, 695, 788, 860, 985, 1390, 1970, 2780, 3940, 5977, 8471, 11954, 16942, 23908, 27383, 29885, 33884, 42355, 54766, 59770, 84710, 109532, 119540, 136915, 169420, 273830, 547660, 1177469, 2354938, 4709876, 5887345, 11774690, 23549380]

約数ペア:

[(1, 23549380), (2, 11774690), (4, 5887345), (5, 4709876), (10, 2354938), (20, 1177469), (43, 547660), (86, 273830), (139, 169420), (172, 136915), (197, 119540), (215, 109532), (278, 84710), (394, 59770), (430, 54766), (556, 42355), (695, 33884), (788, 29885), (860, 27383), (985, 23908), (1390, 16942), (1970, 11954), (2780, 8471), (3940, 5977)]