82694375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 112576464

約数和(自身を除く): 29882089

約数列:

[1, 5, 17, 25, 43, 85, 125, 181, 215, 425, 625, 731, 905, 1075, 2125, 3077, 3655, 4525, 5375, 7783, 10625, 15385, 18275, 22625, 26875, 38915, 76925, 91375, 113125, 132311, 194575, 384625, 456875, 661555, 972875, 1923125, 3307775, 4864375, 16538875, 82694375]

約数ペア:

[(1, 82694375), (5, 16538875), (17, 4864375), (25, 3307775), (43, 1923125), (85, 972875), (125, 661555), (181, 456875), (215, 384625), (425, 194575), (625, 132311), (731, 113125), (905, 91375), (1075, 76925), (2125, 38915), (3077, 26875), (3655, 22625), (4525, 18275), (5375, 15385), (7783, 10625)]