201920480

素因数分解:

$2^5\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1439}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 477912960

約数和(自身を除く): 275992480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 877, 1439, 1754, 2878, 3508, 4385, 5756, 7016, 7195, 8770, 11512, 14032, 14390, 17540, 23024, 28064, 28780, 35080, 46048, 57560, 70160, 115120, 140320, 230240, 1262003, 2524006, 5048012, 6310015, 10096024, 12620030, 20192048, 25240060, 40384096, 50480120, 100960240, 201920480]

約数ペア:

[(1, 201920480), (2, 100960240), (4, 50480120), (5, 40384096), (8, 25240060), (10, 20192048), (16, 12620030), (20, 10096024), (32, 6310015), (40, 5048012), (80, 2524006), (160, 1262003), (877, 230240), (1439, 140320), (1754, 115120), (2878, 70160), (3508, 57560), (4385, 46048), (5756, 35080), (7016, 28780), (7195, 28064), (8770, 23024), (11512, 17540), (14032, 14390)]