788973440

素因数分解:

$2^7\times 5^1\times {\mathrm{1232771}}^1$

素因数の和:1232790

約数の個数: 32

約数和(自身を含む): 1886141160

約数和(自身を除く): 1097167720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1232771, 2465542, 4931084, 6163855, 9862168, 12327710, 19724336, 24655420, 39448672, 49310840, 78897344, 98621680, 157794688, 197243360, 394486720, 788973440]

約数ペア:

[(1, 788973440), (2, 394486720), (4, 197243360), (5, 157794688), (8, 98621680), (10, 78897344), (16, 49310840), (20, 39448672), (32, 24655420), (40, 19724336), (64, 12327710), (80, 9862168), (128, 6163855), (160, 4931084), (320, 2465542), (640, 1232771)]