7964440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 20424960

約数和(自身を除く): 12460520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 787, 920, 1012, 1265, 1574, 2024, 2530, 3148, 3935, 5060, 6296, 7870, 8657, 10120, 15740, 17314, 18101, 31480, 34628, 36202, 43285, 69256, 72404, 86570, 90505, 144808, 173140, 181010, 199111, 346280, 362020, 398222, 724040, 796444, 995555, 1592888, 1991110, 3982220, 7964440]

約数ペア:

[(1, 7964440), (2, 3982220), (4, 1991110), (5, 1592888), (8, 995555), (10, 796444), (11, 724040), (20, 398222), (22, 362020), (23, 346280), (40, 199111), (44, 181010), (46, 173140), (55, 144808), (88, 90505), (92, 86570), (110, 72404), (115, 69256), (184, 43285), (220, 36202), (230, 34628), (253, 31480), (440, 18101), (460, 17314), (506, 15740), (787, 10120), (920, 8657), (1012, 7870), (1265, 6296), (1574, 5060), (2024, 3935), (2530, 3148)]