208247120

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{17239}}^1$

素因数の和:17403

約数の個数: 40

約数和(自身を含む): 487409280

約数和(自身を除く): 279162160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 17239, 34478, 68956, 86195, 137912, 172390, 275824, 344780, 689560, 1379120, 2603089, 5206178, 10412356, 13015445, 20824712, 26030890, 41649424, 52061780, 104123560, 208247120]

約数ペア:

[(1, 208247120), (2, 104123560), (4, 52061780), (5, 41649424), (8, 26030890), (10, 20824712), (16, 13015445), (20, 10412356), (40, 5206178), (80, 2603089), (151, 1379120), (302, 689560), (604, 344780), (755, 275824), (1208, 172390), (1510, 137912), (2416, 86195), (3020, 68956), (6040, 34478), (12080, 17239)]