28659440

素因数分解:

$2^4\times 5^1\times {\mathrm{358243}}^1$

素因数の和:358256

約数の個数: 20

約数和(自身を含む): 66633384

約数和(自身を除く): 37973944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358243, 716486, 1432972, 1791215, 2865944, 3582430, 5731888, 7164860, 14329720, 28659440]

約数ペア:

[(1, 28659440), (2, 14329720), (4, 7164860), (5, 5731888), (8, 3582430), (10, 2865944), (16, 1791215), (20, 1432972), (40, 716486), (80, 358243)]