201081260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{112967}}^1$

素因数の和:113065

約数の個数: 24

約数和(自身を含む): 427019040

約数和(自身を除く): 225937780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 112967, 225934, 451868, 564835, 1129670, 2259340, 10054063, 20108126, 40216252, 50270315, 100540630, 201081260]

約数ペア:

[(1, 201081260), (2, 100540630), (4, 50270315), (5, 40216252), (10, 20108126), (20, 10054063), (89, 2259340), (178, 1129670), (356, 564835), (445, 451868), (890, 225934), (1780, 112967)]