16739120

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2351}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 22633360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2351, 3560, 4702, 7120, 9404, 11755, 18808, 23510, 37616, 47020, 94040, 188080, 209239, 418478, 836956, 1046195, 1673912, 2092390, 3347824, 4184780, 8369560, 16739120]

約数ペア:

[(1, 16739120), (2, 8369560), (4, 4184780), (5, 3347824), (8, 2092390), (10, 1673912), (16, 1046195), (20, 836956), (40, 418478), (80, 209239), (89, 188080), (178, 94040), (356, 47020), (445, 37616), (712, 23510), (890, 18808), (1424, 11755), (1780, 9404), (2351, 7120), (3560, 4702)]