12940805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 16459200

約数和(自身を除く): 3518395

約数列:

[1, 5, 19, 95, 179, 761, 895, 3401, 3805, 14459, 17005, 72295, 136219, 681095, 2588161, 12940805]

約数ペア:

[(1, 12940805), (5, 2588161), (19, 681095), (95, 136219), (179, 72295), (761, 17005), (895, 14459), (3401, 3805)]