86399420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{48539}}^1$

素因数の和:48637

約数の個数: 24

約数和(自身を含む): 183481200

約数和(自身を除く): 97081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 48539, 97078, 194156, 242695, 485390, 970780, 4319971, 8639942, 17279884, 21599855, 43199710, 86399420]

約数ペア:

[(1, 86399420), (2, 43199710), (4, 21599855), (5, 17279884), (10, 8639942), (20, 4319971), (89, 970780), (178, 485390), (356, 242695), (445, 194156), (890, 97078), (1780, 48539)]