7129840

素因数分解:

$2^4\times 5^1\times {\mathrm{89123}}^1$

素因数の和:89136

約数の個数: 20

約数和(自身を含む): 16577064

約数和(自身を除く): 9447224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89123, 178246, 356492, 445615, 712984, 891230, 1425968, 1782460, 3564920, 7129840]

約数ペア:

[(1, 7129840), (2, 3564920), (4, 1782460), (5, 1425968), (8, 891230), (10, 712984), (16, 445615), (20, 356492), (40, 178246), (80, 89123)]