7225840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 17217648

約数和(自身を除く): 9991808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2203, 3280, 4406, 8812, 11015, 17624, 22030, 35248, 44060, 88120, 90323, 176240, 180646, 361292, 451615, 722584, 903230, 1445168, 1806460, 3612920, 7225840]

約数ペア:

[(1, 7225840), (2, 3612920), (4, 1806460), (5, 1445168), (8, 903230), (10, 722584), (16, 451615), (20, 361292), (40, 180646), (41, 176240), (80, 90323), (82, 88120), (164, 44060), (205, 35248), (328, 22030), (410, 17624), (656, 11015), (820, 8812), (1640, 4406), (2203, 3280)]