2840480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 6890184

約数和(自身を除く): 4049704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 433, 656, 820, 866, 1312, 1640, 1732, 2165, 3280, 3464, 4330, 6560, 6928, 8660, 13856, 17320, 17753, 34640, 35506, 69280, 71012, 88765, 142024, 177530, 284048, 355060, 568096, 710120, 1420240, 2840480]

約数ペア:

[(1, 2840480), (2, 1420240), (4, 710120), (5, 568096), (8, 355060), (10, 284048), (16, 177530), (20, 142024), (32, 88765), (40, 71012), (41, 69280), (80, 35506), (82, 34640), (160, 17753), (164, 17320), (205, 13856), (328, 8660), (410, 6928), (433, 6560), (656, 4330), (820, 3464), (866, 3280), (1312, 2165), (1640, 1732)]