807777280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{157769}}^1$

素因数の和:157794

約数の個数: 44

約数和(自身を含む): 1937731140

約数和(自身を除く): 1129953860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 157769, 315538, 631076, 788845, 1262152, 1577690, 2524304, 3155380, 5048608, 6310760, 10097216, 12621520, 20194432, 25243040, 40388864, 50486080, 80777728, 100972160, 161555456, 201944320, 403888640, 807777280]

約数ペア:

[(1, 807777280), (2, 403888640), (4, 201944320), (5, 161555456), (8, 100972160), (10, 80777728), (16, 50486080), (20, 40388864), (32, 25243040), (40, 20194432), (64, 12621520), (80, 10097216), (128, 6310760), (160, 5048608), (256, 3155380), (320, 2524304), (512, 1577690), (640, 1262152), (1024, 788845), (1280, 631076), (2560, 315538), (5120, 157769)]