1409840

素因数分解:

$2^4\times 5^1\times {\mathrm{17623}}^1$

素因数の和:17636

約数の個数: 20

約数和(自身を含む): 3278064

約数和(自身を除く): 1868224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17623, 35246, 70492, 88115, 140984, 176230, 281968, 352460, 704920, 1409840]

約数ペア:

[(1, 1409840), (2, 704920), (4, 352460), (5, 281968), (8, 176230), (10, 140984), (16, 88115), (20, 70492), (40, 35246), (80, 17623)]