8326840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 18954000

約数和(自身を除く): 10627160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2339, 3560, 4678, 9356, 11695, 18712, 23390, 46780, 93560, 208171, 416342, 832684, 1040855, 1665368, 2081710, 4163420, 8326840]

約数ペア:

[(1, 8326840), (2, 4163420), (4, 2081710), (5, 1665368), (8, 1040855), (10, 832684), (20, 416342), (40, 208171), (89, 93560), (178, 46780), (356, 23390), (445, 18712), (712, 11695), (890, 9356), (1780, 4678), (2339, 3560)]