25921840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 70620480

約数和(自身を除く): 44698640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1129, 1148, 1435, 1640, 2258, 2296, 2870, 3280, 4516, 4592, 5645, 5740, 7903, 9032, 11290, 11480, 15806, 18064, 22580, 22960, 31612, 39515, 45160, 46289, 63224, 79030, 90320, 92578, 126448, 158060, 185156, 231445, 316120, 324023, 370312, 462890, 632240, 648046, 740624, 925780, 1296092, 1620115, 1851560, 2592184, 3240230, 3703120, 5184368, 6480460, 12960920, 25921840]

約数ペア:

[(1, 25921840), (2, 12960920), (4, 6480460), (5, 5184368), (7, 3703120), (8, 3240230), (10, 2592184), (14, 1851560), (16, 1620115), (20, 1296092), (28, 925780), (35, 740624), (40, 648046), (41, 632240), (56, 462890), (70, 370312), (80, 324023), (82, 316120), (112, 231445), (140, 185156), (164, 158060), (205, 126448), (280, 92578), (287, 90320), (328, 79030), (410, 63224), (560, 46289), (574, 45160), (656, 39515), (820, 31612), (1129, 22960), (1148, 22580), (1435, 18064), (1640, 15806), (2258, 11480), (2296, 11290), (2870, 9032), (3280, 7903), (4516, 5740), (4592, 5645)]