87256490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{98041}}^1$

素因数の和:98137

約数の個数: 16

約数和(自身を含む): 158828040

約数和(自身を除く): 71571550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 98041, 196082, 490205, 980410, 8725649, 17451298, 43628245, 87256490]

約数ペア:

[(1, 87256490), (2, 43628245), (5, 17451298), (10, 8725649), (89, 980410), (178, 490205), (445, 196082), (890, 98041)]