39818980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 88179840

約数和(自身を除く): 48360860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 809, 1070, 1618, 2140, 2461, 3236, 4045, 4922, 8090, 9844, 12305, 16180, 18607, 24610, 37214, 49220, 74428, 86563, 93035, 173126, 186070, 346252, 372140, 432815, 865630, 1731260, 1990949, 3981898, 7963796, 9954745, 19909490, 39818980]

約数ペア:

[(1, 39818980), (2, 19909490), (4, 9954745), (5, 7963796), (10, 3981898), (20, 1990949), (23, 1731260), (46, 865630), (92, 432815), (107, 372140), (115, 346252), (214, 186070), (230, 173126), (428, 93035), (460, 86563), (535, 74428), (809, 49220), (1070, 37214), (1618, 24610), (2140, 18607), (2461, 16180), (3236, 12305), (4045, 9844), (4922, 8090)]