77274760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7517}}^1$

素因数の和:7785

約数の個数: 32

約数和(自身を含む): 174567960

約数和(自身を除く): 97293200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 7517, 10280, 15034, 30068, 37585, 60136, 75170, 150340, 300680, 1931869, 3863738, 7727476, 9659345, 15454952, 19318690, 38637380, 77274760]

約数ペア:

[(1, 77274760), (2, 38637380), (4, 19318690), (5, 15454952), (8, 9659345), (10, 7727476), (20, 3863738), (40, 1931869), (257, 300680), (514, 150340), (1028, 75170), (1285, 60136), (2056, 37585), (2570, 30068), (5140, 15034), (7517, 10280)]