8068640

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 19232640

約数和(自身を除く): 11164000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 239, 422, 478, 844, 956, 1055, 1195, 1688, 1912, 2110, 2390, 3376, 3824, 4220, 4780, 6752, 7648, 8440, 9560, 16880, 19120, 33760, 38240, 50429, 100858, 201716, 252145, 403432, 504290, 806864, 1008580, 1613728, 2017160, 4034320, 8068640]

約数ペア:

[(1, 8068640), (2, 4034320), (4, 2017160), (5, 1613728), (8, 1008580), (10, 806864), (16, 504290), (20, 403432), (32, 252145), (40, 201716), (80, 100858), (160, 50429), (211, 38240), (239, 33760), (422, 19120), (478, 16880), (844, 9560), (956, 8440), (1055, 7648), (1195, 6752), (1688, 4780), (1912, 4220), (2110, 3824), (2390, 3376)]