778843040

素因数分解:

$2^5\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{4013}}^1$

素因数の和:5241

約数の個数: 48

約数和(自身を含む): 1841992488

約数和(自身を除く): 1063149448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1213, 2426, 4013, 4852, 6065, 8026, 9704, 12130, 16052, 19408, 20065, 24260, 32104, 38816, 40130, 48520, 64208, 80260, 97040, 128416, 160520, 194080, 321040, 642080, 4867769, 9735538, 19471076, 24338845, 38942152, 48677690, 77884304, 97355380, 155768608, 194710760, 389421520, 778843040]

約数ペア:

[(1, 778843040), (2, 389421520), (4, 194710760), (5, 155768608), (8, 97355380), (10, 77884304), (16, 48677690), (20, 38942152), (32, 24338845), (40, 19471076), (80, 9735538), (160, 4867769), (1213, 642080), (2426, 321040), (4013, 194080), (4852, 160520), (6065, 128416), (8026, 97040), (9704, 80260), (12130, 64208), (16052, 48520), (19408, 40130), (20065, 38816), (24260, 32104)]