1808304880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{426487}}^1$

素因数の和:426553

約数の個数: 40

約数和(自身を含む): 4283645472

約数和(自身を除く): 2475340592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 426487, 852974, 1705948, 2132435, 3411896, 4264870, 6823792, 8529740, 17059480, 22603811, 34118960, 45207622, 90415244, 113019055, 180830488, 226038110, 361660976, 452076220, 904152440, 1808304880]

約数ペア:

[(1, 1808304880), (2, 904152440), (4, 452076220), (5, 361660976), (8, 226038110), (10, 180830488), (16, 113019055), (20, 90415244), (40, 45207622), (53, 34118960), (80, 22603811), (106, 17059480), (212, 8529740), (265, 6823792), (424, 4264870), (530, 3411896), (848, 2132435), (1060, 1705948), (2120, 852974), (4240, 426487)]