994012720

素因数分解:

$2^4\times 5^1\times {\mathrm{12425159}}^1$

素因数の和:12425172

約数の個数: 20

約数和(自身を含む): 2311079760

約数和(自身を除く): 1317067040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12425159, 24850318, 49700636, 62125795, 99401272, 124251590, 198802544, 248503180, 497006360, 994012720]

約数ペア:

[(1, 994012720), (2, 497006360), (4, 248503180), (5, 198802544), (8, 124251590), (10, 99401272), (16, 62125795), (20, 49700636), (40, 24850318), (80, 12425159)]