28248320

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 70088760

約数和(自身を除く): 41840440

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, 580, 640, 761, 928, 1160, 1280, 1522, 1856, 2320, 3044, 3712, 3805, 4640, 6088, 7424, 7610, 9280, 12176, 15220, 18560, 22069, 24352, 30440, 37120, 44138, 48704, 60880, 88276, 97408, 110345, 121760, 176552, 194816, 220690, 243520, 353104, 441380, 487040, 706208, 882760, 974080, 1412416, 1765520, 2824832, 3531040, 5649664, 7062080, 14124160, 28248320]

約数ペア:

[(1, 28248320), (2, 14124160), (4, 7062080), (5, 5649664), (8, 3531040), (10, 2824832), (16, 1765520), (20, 1412416), (29, 974080), (32, 882760), (40, 706208), (58, 487040), (64, 441380), (80, 353104), (116, 243520), (128, 220690), (145, 194816), (160, 176552), (232, 121760), (256, 110345), (290, 97408), (320, 88276), (464, 60880), (580, 48704), (640, 44138), (761, 37120), (928, 30440), (1160, 24352), (1280, 22069), (1522, 18560), (1856, 15220), (2320, 12176), (3044, 9280), (3712, 7610), (3805, 7424), (4640, 6088)]