40902080

素因数分解:

$2^6\times 5^1\times {\mathrm{127819}}^1$

素因数の和:127836

約数の個数: 28

約数和(自身を含む): 97398840

約数和(自身を除く): 56496760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127819, 255638, 511276, 639095, 1022552, 1278190, 2045104, 2556380, 4090208, 5112760, 8180416, 10225520, 20451040, 40902080]

約数ペア:

[(1, 40902080), (2, 20451040), (4, 10225520), (5, 8180416), (8, 5112760), (10, 4090208), (16, 2556380), (20, 2045104), (32, 1278190), (40, 1022552), (64, 639095), (80, 511276), (160, 255638), (320, 127819)]