78066980

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4523}}^1$

素因数の和:5395

約数の個数: 24

約数和(自身を含む): 164166912

約数和(自身を除く): 86099932

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 4315, 4523, 8630, 9046, 17260, 18092, 22615, 45230, 90460, 3903349, 7806698, 15613396, 19516745, 39033490, 78066980]

約数ペア:

[(1, 78066980), (2, 39033490), (4, 19516745), (5, 15613396), (10, 7806698), (20, 3903349), (863, 90460), (1726, 45230), (3452, 22615), (4315, 18092), (4523, 17260), (8630, 9046)]