205422080

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2767}}^1$

素因数の和:2819

約数の個数: 80

約数和(自身を含む): 509699520

約数和(自身を除く): 304277440

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, 1160, 1280, 1856, 2320, 2560, 2767, 3712, 4640, 5534, 7424, 9280, 11068, 13835, 14848, 18560, 22136, 27670, 37120, 44272, 55340, 74240, 80243, 88544, 110680, 160486, 177088, 221360, 320972, 354176, 401215, 442720, 641944, 708352, 802430, 885440, 1283888, 1416704, 1604860, 1770880, 2567776, 3209720, 3541760, 5135552, 6419440, 7083520, 10271104, 12838880, 20542208, 25677760, 41084416, 51355520, 102711040, 205422080]

約数ペア:

[(1, 205422080), (2, 102711040), (4, 51355520), (5, 41084416), (8, 25677760), (10, 20542208), (16, 12838880), (20, 10271104), (29, 7083520), (32, 6419440), (40, 5135552), (58, 3541760), (64, 3209720), (80, 2567776), (116, 1770880), (128, 1604860), (145, 1416704), (160, 1283888), (232, 885440), (256, 802430), (290, 708352), (320, 641944), (464, 442720), (512, 401215), (580, 354176), (640, 320972), (928, 221360), (1160, 177088), (1280, 160486), (1856, 110680), (2320, 88544), (2560, 80243), (2767, 74240), (3712, 55340), (4640, 44272), (5534, 37120), (7424, 27670), (9280, 22136), (11068, 18560), (13835, 14848)]