168341720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47287}}^1$

素因数の和:47387

約数の個数: 32

約数和(自身を含む): 383032800

約数和(自身を除く): 214691080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 47287, 94574, 189148, 236435, 378296, 472870, 945740, 1891480, 4208543, 8417086, 16834172, 21042715, 33668344, 42085430, 84170860, 168341720]

約数ペア:

[(1, 168341720), (2, 84170860), (4, 42085430), (5, 33668344), (8, 21042715), (10, 16834172), (20, 8417086), (40, 4208543), (89, 1891480), (178, 945740), (356, 472870), (445, 378296), (712, 236435), (890, 189148), (1780, 94574), (3560, 47287)]