8212040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 18576000

約数和(自身を除く): 10363960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 859, 956, 1195, 1718, 1912, 2390, 3436, 4295, 4780, 6872, 8590, 9560, 17180, 34360, 205301, 410602, 821204, 1026505, 1642408, 2053010, 4106020, 8212040]

約数ペア:

[(1, 8212040), (2, 4106020), (4, 2053010), (5, 1642408), (8, 1026505), (10, 821204), (20, 410602), (40, 205301), (239, 34360), (478, 17180), (859, 9560), (956, 8590), (1195, 6872), (1718, 4780), (1912, 4295), (2390, 3436)]