804942080

素因数分解:

$2^8\times 5^1\times {\mathrm{628861}}^1$

素因数の和:628882

約数の個数: 36

約数和(自身を含む): 1928090892

約数和(自身を除く): 1123148812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 628861, 1257722, 2515444, 3144305, 5030888, 6288610, 10061776, 12577220, 20123552, 25154440, 40247104, 50308880, 80494208, 100617760, 160988416, 201235520, 402471040, 804942080]

約数ペア:

[(1, 804942080), (2, 402471040), (4, 201235520), (5, 160988416), (8, 100617760), (10, 80494208), (16, 50308880), (20, 40247104), (32, 25154440), (40, 20123552), (64, 12577220), (80, 10061776), (128, 6288610), (160, 5030888), (256, 3144305), (320, 2515444), (640, 1257722), (1280, 628861)]