77768860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2647}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 177500736

約数和(自身を除く): 99731876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2647, 2938, 5294, 5876, 7345, 10588, 13235, 14690, 26470, 29380, 34411, 52940, 68822, 137644, 172055, 299111, 344110, 598222, 688220, 1196444, 1495555, 2991110, 3888443, 5982220, 7776886, 15553772, 19442215, 38884430, 77768860]

約数ペア:

[(1, 77768860), (2, 38884430), (4, 19442215), (5, 15553772), (10, 7776886), (13, 5982220), (20, 3888443), (26, 2991110), (52, 1495555), (65, 1196444), (113, 688220), (130, 598222), (226, 344110), (260, 299111), (452, 172055), (565, 137644), (1130, 68822), (1469, 52940), (2260, 34411), (2647, 29380), (2938, 26470), (5294, 14690), (5876, 13235), (7345, 10588)]