80003420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571453}}^1$

素因数の和:571469

約数の個数: 24

約数和(自身を含む): 192008544

約数和(自身を除く): 112005124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571453, 1142906, 2285812, 2857265, 4000171, 5714530, 8000342, 11429060, 16000684, 20000855, 40001710, 80003420]

約数ペア:

[(1, 80003420), (2, 40001710), (4, 20000855), (5, 16000684), (7, 11429060), (10, 8000342), (14, 5714530), (20, 4000171), (28, 2857265), (35, 2285812), (70, 1142906), (140, 571453)]