40587376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61871}}^1$

素因数の和:61920

約数の個数: 20

約数和(自身を含む): 80557344

約数和(自身を除く): 39969968

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61871, 123742, 247484, 494968, 989936, 2536711, 5073422, 10146844, 20293688, 40587376]

約数ペア:

[(1, 40587376), (2, 20293688), (4, 10146844), (8, 5073422), (16, 2536711), (41, 989936), (82, 494968), (164, 247484), (328, 123742), (656, 61871)]