670995760

素因数分解:

$2^4\times 5^1\times {\mathrm{8387447}}^1$

素因数の和:8387460

約数の個数: 20

約数和(自身を含む): 1560065328

約数和(自身を除く): 889069568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8387447, 16774894, 33549788, 41937235, 67099576, 83874470, 134199152, 167748940, 335497880, 670995760]

約数ペア:

[(1, 670995760), (2, 335497880), (4, 167748940), (5, 134199152), (8, 83874470), (10, 67099576), (16, 41937235), (20, 33549788), (40, 16774894), (80, 8387447)]