66956719460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20538871}}^1$

素因数の和:20539043

約数の個数: 24

約数和(自身を含む): 141471750336

約数和(自身を除く): 74515030876

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20538871, 41077742, 82155484, 102694355, 205388710, 410777420, 3347835973, 6695671946, 13391343892, 16739179865, 33478359730, 66956719460]

約数ペア:

[(1, 66956719460), (2, 33478359730), (4, 16739179865), (5, 13391343892), (10, 6695671946), (20, 3347835973), (163, 410777420), (326, 205388710), (652, 102694355), (815, 82155484), (1630, 41077742), (3260, 20538871)]