66401000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2931

約数の個数: 64

約数和(自身を含む): 162190080

約数和(自身を除く): 95789080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 920, 1000, 1150, 2300, 2875, 2887, 4600, 5750, 5774, 11500, 11548, 14435, 23000, 23096, 28870, 57740, 66401, 72175, 115480, 132802, 144350, 265604, 288700, 332005, 360875, 531208, 577400, 664010, 721750, 1328020, 1443500, 1660025, 2656040, 2887000, 3320050, 6640100, 8300125, 13280200, 16600250, 33200500, 66401000]

約数ペア:

[(1, 66401000), (2, 33200500), (4, 16600250), (5, 13280200), (8, 8300125), (10, 6640100), (20, 3320050), (23, 2887000), (25, 2656040), (40, 1660025), (46, 1443500), (50, 1328020), (92, 721750), (100, 664010), (115, 577400), (125, 531208), (184, 360875), (200, 332005), (230, 288700), (250, 265604), (460, 144350), (500, 132802), (575, 115480), (920, 72175), (1000, 66401), (1150, 57740), (2300, 28870), (2875, 23096), (2887, 23000), (4600, 14435), (5750, 11548), (5774, 11500)]