667089680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{203381}}^1$

素因数の和:203435

約数の個数: 40

約数和(自身を含む): 1588820184

約数和(自身を除く): 921730504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 203381, 406762, 813524, 1016905, 1627048, 2033810, 3254096, 4067620, 8135240, 8338621, 16270480, 16677242, 33354484, 41693105, 66708968, 83386210, 133417936, 166772420, 333544840, 667089680]

約数ペア:

[(1, 667089680), (2, 333544840), (4, 166772420), (5, 133417936), (8, 83386210), (10, 66708968), (16, 41693105), (20, 33354484), (40, 16677242), (41, 16270480), (80, 8338621), (82, 8135240), (164, 4067620), (205, 3254096), (328, 2033810), (410, 1627048), (656, 1016905), (820, 813524), (1640, 406762), (3280, 203381)]