199184560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{60727}}^1$

素因数の和:60781

約数の個数: 40

約数和(自身を含む): 474407136

約数和(自身を除く): 275222576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 60727, 121454, 242908, 303635, 485816, 607270, 971632, 1214540, 2429080, 2489807, 4858160, 4979614, 9959228, 12449035, 19918456, 24898070, 39836912, 49796140, 99592280, 199184560]

約数ペア:

[(1, 199184560), (2, 99592280), (4, 49796140), (5, 39836912), (8, 24898070), (10, 19918456), (16, 12449035), (20, 9959228), (40, 4979614), (41, 4858160), (80, 2489807), (82, 2429080), (164, 1214540), (205, 971632), (328, 607270), (410, 485816), (656, 303635), (820, 242908), (1640, 121454), (3280, 60727)]