206960480

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11867}}^1$

素因数の和:11991

約数の個数: 48

約数和(自身を含む): 493471440

約数和(自身を除く): 286510960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 11867, 17440, 23734, 47468, 59335, 94936, 118670, 189872, 237340, 379744, 474680, 949360, 1293503, 1898720, 2587006, 5174012, 6467515, 10348024, 12935030, 20696048, 25870060, 41392096, 51740120, 103480240, 206960480]

約数ペア:

[(1, 206960480), (2, 103480240), (4, 51740120), (5, 41392096), (8, 25870060), (10, 20696048), (16, 12935030), (20, 10348024), (32, 6467515), (40, 5174012), (80, 2587006), (109, 1898720), (160, 1293503), (218, 949360), (436, 474680), (545, 379744), (872, 237340), (1090, 189872), (1744, 118670), (2180, 94936), (3488, 59335), (4360, 47468), (8720, 23734), (11867, 17440)]