8820036880

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{461299}}^1$

素因数の和:461551

約数の個数: 40

約数和(自身を含む): 20592432000

約数和(自身を除く): 11772395120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 461299, 922598, 1845196, 2306495, 3690392, 4612990, 7380784, 9225980, 18451960, 36903920, 110250461, 220500922, 441001844, 551252305, 882003688, 1102504610, 1764007376, 2205009220, 4410018440, 8820036880]

約数ペア:

[(1, 8820036880), (2, 4410018440), (4, 2205009220), (5, 1764007376), (8, 1102504610), (10, 882003688), (16, 551252305), (20, 441001844), (40, 220500922), (80, 110250461), (239, 36903920), (478, 18451960), (956, 9225980), (1195, 7380784), (1912, 4612990), (2390, 3690392), (3824, 2306495), (4780, 1845196), (9560, 922598), (19120, 461299)]