249565040

素因数分解:

$2^4\times 5^1\times {\mathrm{3119563}}^1$

素因数の和:3119576

約数の個数: 20

約数和(自身を含む): 580238904

約数和(自身を除く): 330673864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3119563, 6239126, 12478252, 15597815, 24956504, 31195630, 49913008, 62391260, 124782520, 249565040]

約数ペア:

[(1, 249565040), (2, 124782520), (4, 62391260), (5, 49913008), (8, 31195630), (10, 24956504), (16, 15597815), (20, 12478252), (40, 6239126), (80, 3119563)]