78044480

素因数分解:

$2^6\times 5^1\times {\mathrm{243889}}^1$

素因数の和:243906

約数の個数: 28

約数和(自身を含む): 185844180

約数和(自身を除く): 107799700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243889, 487778, 975556, 1219445, 1951112, 2438890, 3902224, 4877780, 7804448, 9755560, 15608896, 19511120, 39022240, 78044480]

約数ペア:

[(1, 78044480), (2, 39022240), (4, 19511120), (5, 15608896), (8, 9755560), (10, 7804448), (16, 4877780), (20, 3902224), (32, 2438890), (40, 1951112), (64, 1219445), (80, 975556), (160, 487778), (320, 243889)]