17641040

素因数分解:

$2^4\times 5^1\times {\mathrm{220513}}^1$

素因数の和:220526

約数の個数: 20

約数和(自身を含む): 41015604

約数和(自身を除く): 23374564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 220513, 441026, 882052, 1102565, 1764104, 2205130, 3528208, 4410260, 8820520, 17641040]

約数ペア:

[(1, 17641040), (2, 8820520), (4, 4410260), (5, 3528208), (8, 2205130), (10, 1764104), (16, 1102565), (20, 882052), (40, 441026), (80, 220513)]