8509520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6257}}^1$

素因数の和:6287

約数の個数: 40

約数和(自身を含む): 20951784

約数和(自身を除く): 12442264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6257, 12514, 25028, 31285, 50056, 62570, 100112, 106369, 125140, 212738, 250280, 425476, 500560, 531845, 850952, 1063690, 1701904, 2127380, 4254760, 8509520]

約数ペア:

[(1, 8509520), (2, 4254760), (4, 2127380), (5, 1701904), (8, 1063690), (10, 850952), (16, 531845), (17, 500560), (20, 425476), (34, 250280), (40, 212738), (68, 125140), (80, 106369), (85, 100112), (136, 62570), (170, 50056), (272, 31285), (340, 25028), (680, 12514), (1360, 6257)]