84973640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23869}}^1$

素因数の和:23969

約数の個数: 32

約数和(自身を含む): 193347000

約数和(自身を除く): 108373360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23869, 47738, 95476, 119345, 190952, 238690, 477380, 954760, 2124341, 4248682, 8497364, 10621705, 16994728, 21243410, 42486820, 84973640]

約数ペア:

[(1, 84973640), (2, 42486820), (4, 21243410), (5, 16994728), (8, 10621705), (10, 8497364), (20, 4248682), (40, 2124341), (89, 954760), (178, 477380), (356, 238690), (445, 190952), (712, 119345), (890, 95476), (1780, 47738), (3560, 23869)]