3929840

素因数分解:

$2^4\times 5^1\times {\mathrm{49123}}^1$

素因数の和:49136

約数の個数: 20

約数和(自身を含む): 9137064

約数和(自身を除く): 5207224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49123, 98246, 196492, 245615, 392984, 491230, 785968, 982460, 1964920, 3929840]

約数ペア:

[(1, 3929840), (2, 1964920), (4, 982460), (5, 785968), (8, 491230), (10, 392984), (16, 245615), (20, 196492), (40, 98246), (80, 49123)]