127777240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25153}}^1$

素因数の和:25291

約数の個数: 32

約数和(自身を含む): 289774080

約数和(自身を除く): 161996840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 25153, 50306, 100612, 125765, 201224, 251530, 503060, 1006120, 3194431, 6388862, 12777724, 15972155, 25555448, 31944310, 63888620, 127777240]

約数ペア:

[(1, 127777240), (2, 63888620), (4, 31944310), (5, 25555448), (8, 15972155), (10, 12777724), (20, 6388862), (40, 3194431), (127, 1006120), (254, 503060), (508, 251530), (635, 201224), (1016, 125765), (1270, 100612), (2540, 50306), (5080, 25153)]