16087640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4519}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 36612000

約数和(自身を除く): 20524360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4519, 9038, 18076, 22595, 36152, 45190, 90380, 180760, 402191, 804382, 1608764, 2010955, 3217528, 4021910, 8043820, 16087640]

約数ペア:

[(1, 16087640), (2, 8043820), (4, 4021910), (5, 3217528), (8, 2010955), (10, 1608764), (20, 804382), (40, 402191), (89, 180760), (178, 90380), (356, 45190), (445, 36152), (712, 22595), (890, 18076), (1780, 9038), (3560, 4519)]