74778520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81281}}^1$

素因数の和:81315

約数の個数: 32

約数和(自身を含む): 175569120

約数和(自身を除く): 100790600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 81281, 162562, 325124, 406405, 650248, 812810, 1625620, 1869463, 3251240, 3738926, 7477852, 9347315, 14955704, 18694630, 37389260, 74778520]

約数ペア:

[(1, 74778520), (2, 37389260), (4, 18694630), (5, 14955704), (8, 9347315), (10, 7477852), (20, 3738926), (23, 3251240), (40, 1869463), (46, 1625620), (92, 812810), (115, 650248), (184, 406405), (230, 325124), (460, 162562), (920, 81281)]