8388880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5519}}^1$

素因数の和:5551

約数の個数: 40

約数和(自身を含む): 20534400

約数和(自身を除く): 12145520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5519, 11038, 22076, 27595, 44152, 55190, 88304, 104861, 110380, 209722, 220760, 419444, 441520, 524305, 838888, 1048610, 1677776, 2097220, 4194440, 8388880]

約数ペア:

[(1, 8388880), (2, 4194440), (4, 2097220), (5, 1677776), (8, 1048610), (10, 838888), (16, 524305), (19, 441520), (20, 419444), (38, 220760), (40, 209722), (76, 110380), (80, 104861), (95, 88304), (152, 55190), (190, 44152), (304, 27595), (380, 22076), (760, 11038), (1520, 5519)]