616640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 56

約数和(自身を含む): 1536192

約数和(自身を除く): 919552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 64, 80, 82, 94, 160, 164, 188, 205, 235, 320, 328, 376, 410, 470, 656, 752, 820, 940, 1312, 1504, 1640, 1880, 1927, 2624, 3008, 3280, 3760, 3854, 6560, 7520, 7708, 9635, 13120, 15040, 15416, 19270, 30832, 38540, 61664, 77080, 123328, 154160, 308320, 616640]

約数ペア:

[(1, 616640), (2, 308320), (4, 154160), (5, 123328), (8, 77080), (10, 61664), (16, 38540), (20, 30832), (32, 19270), (40, 15416), (41, 15040), (47, 13120), (64, 9635), (80, 7708), (82, 7520), (94, 6560), (160, 3854), (164, 3760), (188, 3280), (205, 3008), (235, 2624), (320, 1927), (328, 1880), (376, 1640), (410, 1504), (470, 1312), (656, 940), (752, 820)]