2388040

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 5417280

約数和(自身を除く): 3029240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 263, 454, 526, 908, 1052, 1135, 1315, 1816, 2104, 2270, 2630, 4540, 5260, 9080, 10520, 59701, 119402, 238804, 298505, 477608, 597010, 1194020, 2388040]

約数ペア:

[(1, 2388040), (2, 1194020), (4, 597010), (5, 477608), (8, 298505), (10, 238804), (20, 119402), (40, 59701), (227, 10520), (263, 9080), (454, 5260), (526, 4540), (908, 2630), (1052, 2270), (1135, 2104), (1315, 1816)]