1989241040

素因数分解:

$2^4\times 5^1\times {\mathrm{6661}}^1\times {\mathrm{3733}}^1$

素因数の和:10407

約数の個数: 40

約数和(自身を含む): 4626918888

約数和(自身を除く): 2637677848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3733, 6661, 7466, 13322, 14932, 18665, 26644, 29864, 33305, 37330, 53288, 59728, 66610, 74660, 106576, 133220, 149320, 266440, 298640, 532880, 24865513, 49731026, 99462052, 124327565, 198924104, 248655130, 397848208, 497310260, 994620520, 1989241040]

約数ペア:

[(1, 1989241040), (2, 994620520), (4, 497310260), (5, 397848208), (8, 248655130), (10, 198924104), (16, 124327565), (20, 99462052), (40, 49731026), (80, 24865513), (3733, 532880), (6661, 298640), (7466, 266440), (13322, 149320), (14932, 133220), (18665, 106576), (26644, 74660), (29864, 66610), (33305, 59728), (37330, 53288)]