5209840

素因数分解:

$2^4\times 5^1\times {\mathrm{65123}}^1$

素因数の和:65136

約数の個数: 20

約数和(自身を含む): 12113064

約数和(自身を除く): 6903224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65123, 130246, 260492, 325615, 520984, 651230, 1041968, 1302460, 2604920, 5209840]

約数ペア:

[(1, 5209840), (2, 2604920), (4, 1302460), (5, 1041968), (8, 651230), (10, 520984), (16, 325615), (20, 260492), (40, 130246), (80, 65123)]