800240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 2127840

約数和(自身を除く): 1327600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1429, 2858, 5716, 7145, 10003, 11432, 14290, 20006, 22864, 28580, 40012, 50015, 57160, 80024, 100030, 114320, 160048, 200060, 400120, 800240]

約数ペア:

[(1, 800240), (2, 400120), (4, 200060), (5, 160048), (7, 114320), (8, 100030), (10, 80024), (14, 57160), (16, 50015), (20, 40012), (28, 28580), (35, 22864), (40, 20006), (56, 14290), (70, 11432), (80, 10003), (112, 7145), (140, 5716), (280, 2858), (560, 1429)]