388302080

素因数分解:

$2^8\times 5^1\times {\mathrm{303361}}^1$

素因数の和:303382

約数の個数: 36

約数和(自身を含む): 930107892

約数和(自身を除く): 541805812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 303361, 606722, 1213444, 1516805, 2426888, 3033610, 4853776, 6067220, 9707552, 12134440, 19415104, 24268880, 38830208, 48537760, 77660416, 97075520, 194151040, 388302080]

約数ペア:

[(1, 388302080), (2, 194151040), (4, 97075520), (5, 77660416), (8, 48537760), (10, 38830208), (16, 24268880), (20, 19415104), (32, 12134440), (40, 9707552), (64, 6067220), (80, 4853776), (128, 3033610), (160, 2426888), (256, 1516805), (320, 1213444), (640, 606722), (1280, 303361)]