2641982080

素因数分解:

$2^7\times 5^1\times {\mathrm{4128097}}^1$

素因数の和:4128116

約数の個数: 32

約数和(自身を含む): 6315989940

約数和(自身を除く): 3674007860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4128097, 8256194, 16512388, 20640485, 33024776, 41280970, 66049552, 82561940, 132099104, 165123880, 264198208, 330247760, 528396416, 660495520, 1320991040, 2641982080]

約数ペア:

[(1, 2641982080), (2, 1320991040), (4, 660495520), (5, 528396416), (8, 330247760), (10, 264198208), (16, 165123880), (20, 132099104), (32, 82561940), (40, 66049552), (64, 41280970), (80, 33024776), (128, 20640485), (160, 16512388), (320, 8256194), (640, 4128097)]