3271640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 7452000

約数和(自身を除く): 4180360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 919, 1780, 1838, 3560, 3676, 4595, 7352, 9190, 18380, 36760, 81791, 163582, 327164, 408955, 654328, 817910, 1635820, 3271640]

約数ペア:

[(1, 3271640), (2, 1635820), (4, 817910), (5, 654328), (8, 408955), (10, 327164), (20, 163582), (40, 81791), (89, 36760), (178, 18380), (356, 9190), (445, 7352), (712, 4595), (890, 3676), (919, 3560), (1780, 1838)]