71452760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20071}}^1$

素因数の和:20171

約数の個数: 32

約数和(自身を含む): 162583200

約数和(自身を除く): 91130440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 20071, 40142, 80284, 100355, 160568, 200710, 401420, 802840, 1786319, 3572638, 7145276, 8931595, 14290552, 17863190, 35726380, 71452760]

約数ペア:

[(1, 71452760), (2, 35726380), (4, 17863190), (5, 14290552), (8, 8931595), (10, 7145276), (20, 3572638), (40, 1786319), (89, 802840), (178, 401420), (356, 200710), (445, 160568), (712, 100355), (890, 80284), (1780, 40142), (3560, 20071)]