255831040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1777

約数の個数: 88

約数和(自身を含む): 635225040

約数和(自身を除く): 379394000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1024, 1160, 1280, 1723, 1856, 2320, 2560, 3446, 3712, 4640, 5120, 6892, 7424, 8615, 9280, 13784, 14848, 17230, 18560, 27568, 29696, 34460, 37120, 49967, 55136, 68920, 74240, 99934, 110272, 137840, 148480, 199868, 220544, 249835, 275680, 399736, 441088, 499670, 551360, 799472, 882176, 999340, 1102720, 1598944, 1764352, 1998680, 2205440, 3197888, 3997360, 4410880, 6395776, 7994720, 8821760, 12791552, 15989440, 25583104, 31978880, 51166208, 63957760, 127915520, 255831040]

約数ペア:

[(1, 255831040), (2, 127915520), (4, 63957760), (5, 51166208), (8, 31978880), (10, 25583104), (16, 15989440), (20, 12791552), (29, 8821760), (32, 7994720), (40, 6395776), (58, 4410880), (64, 3997360), (80, 3197888), (116, 2205440), (128, 1998680), (145, 1764352), (160, 1598944), (232, 1102720), (256, 999340), (290, 882176), (320, 799472), (464, 551360), (512, 499670), (580, 441088), (640, 399736), (928, 275680), (1024, 249835), (1160, 220544), (1280, 199868), (1723, 148480), (1856, 137840), (2320, 110272), (2560, 99934), (3446, 74240), (3712, 68920), (4640, 55136), (5120, 49967), (6892, 37120), (7424, 34460), (8615, 29696), (9280, 27568), (13784, 18560), (14848, 17230)]