802480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1433}}^1$

素因数の和:1453

約数の個数: 40

約数和(自身を含む): 2133792

約数和(自身を除く): 1331312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1433, 2866, 5732, 7165, 10031, 11464, 14330, 20062, 22928, 28660, 40124, 50155, 57320, 80248, 100310, 114640, 160496, 200620, 401240, 802480]

約数ペア:

[(1, 802480), (2, 401240), (4, 200620), (5, 160496), (7, 114640), (8, 100310), (10, 80248), (14, 57320), (16, 50155), (20, 40124), (28, 28660), (35, 22928), (40, 20062), (56, 14330), (70, 11464), (80, 10031), (112, 7165), (140, 5732), (280, 2866), (560, 1433)]