8227760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5413}}^1$

素因数の和:5445

約数の個数: 40

約数和(自身を含む): 20140080

約数和(自身を除く): 11912320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5413, 10826, 21652, 27065, 43304, 54130, 86608, 102847, 108260, 205694, 216520, 411388, 433040, 514235, 822776, 1028470, 1645552, 2056940, 4113880, 8227760]

約数ペア:

[(1, 8227760), (2, 4113880), (4, 2056940), (5, 1645552), (8, 1028470), (10, 822776), (16, 514235), (19, 433040), (20, 411388), (38, 216520), (40, 205694), (76, 108260), (80, 102847), (95, 86608), (152, 54130), (190, 43304), (304, 27065), (380, 21652), (760, 10826), (1520, 5413)]