2765743480

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{127807}}^1$

素因数の和:128359

約数の個数: 32

約数和(自身を含む): 6234474240

約数和(自身を除く): 3468730760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 127807, 255614, 511228, 639035, 1022456, 1278070, 2556140, 5112280, 69143587, 138287174, 276574348, 345717935, 553148696, 691435870, 1382871740, 2765743480]

約数ペア:

[(1, 2765743480), (2, 1382871740), (4, 691435870), (5, 553148696), (8, 345717935), (10, 276574348), (20, 138287174), (40, 69143587), (541, 5112280), (1082, 2556140), (2164, 1278070), (2705, 1022456), (4328, 639035), (5410, 511228), (10820, 255614), (21640, 127807)]