28557640

素因数分解:

$2^3\times 5^1\times {\mathrm{713941}}^1$

素因数の和:713952

約数の個数: 16

約数和(自身を含む): 64254780

約数和(自身を除く): 35697140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 713941, 1427882, 2855764, 3569705, 5711528, 7139410, 14278820, 28557640]

約数ペア:

[(1, 28557640), (2, 14278820), (4, 7139410), (5, 5711528), (8, 3569705), (10, 2855764), (20, 1427882), (40, 713941)]