1020560

素因数分解:

$2^4\times 5^1\times {\mathrm{12757}}^1$

素因数の和:12770

約数の個数: 20

約数和(自身を含む): 2372988

約数和(自身を除く): 1352428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12757, 25514, 51028, 63785, 102056, 127570, 204112, 255140, 510280, 1020560]

約数ペア:

[(1, 1020560), (2, 510280), (4, 255140), (5, 204112), (8, 127570), (10, 102056), (16, 63785), (20, 51028), (40, 25514), (80, 12757)]