13511980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7591}}^1$

素因数の和:7689

約数の個数: 24

約数和(自身を含む): 28697760

約数和(自身を除く): 15185780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7591, 15182, 30364, 37955, 75910, 151820, 675599, 1351198, 2702396, 3377995, 6755990, 13511980]

約数ペア:

[(1, 13511980), (2, 6755990), (4, 3377995), (5, 2702396), (10, 1351198), (20, 675599), (89, 151820), (178, 75910), (356, 37955), (445, 30364), (890, 15182), (1780, 7591)]