38493460

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7489}}^1$

素因数の和:7755

約数の個数: 24

約数和(自身を含む): 81161640

約数和(自身を除く): 42668180

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7489, 14978, 29956, 37445, 74890, 149780, 1924673, 3849346, 7698692, 9623365, 19246730, 38493460]

約数ペア:

[(1, 38493460), (2, 19246730), (4, 9623365), (5, 7698692), (10, 3849346), (20, 1924673), (257, 149780), (514, 74890), (1028, 37445), (1285, 29956), (2570, 14978), (5140, 7489)]