7120720

素因数分解:

$2^4\times 5^1\times {\mathrm{89009}}^1$

素因数の和:89022

約数の個数: 20

約数和(自身を含む): 16555860

約数和(自身を除く): 9435140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89009, 178018, 356036, 445045, 712072, 890090, 1424144, 1780180, 3560360, 7120720]

約数ペア:

[(1, 7120720), (2, 3560360), (4, 1780180), (5, 1424144), (8, 890090), (10, 712072), (16, 445045), (20, 356036), (40, 178018), (80, 89009)]