486788840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{47353}}^1$

素因数の和:47621

約数の個数: 32

約数和(自身を含む): 1099559880

約数和(自身を除く): 612771040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 47353, 94706, 189412, 236765, 378824, 473530, 947060, 1894120, 12169721, 24339442, 48678884, 60848605, 97357768, 121697210, 243394420, 486788840]

約数ペア:

[(1, 486788840), (2, 243394420), (4, 121697210), (5, 97357768), (8, 60848605), (10, 48678884), (20, 24339442), (40, 12169721), (257, 1894120), (514, 947060), (1028, 473530), (1285, 378824), (2056, 236765), (2570, 189412), (5140, 94706), (10280, 47353)]