8420225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 11585568

約数和(自身を除く): 3165343

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 457, 737, 1675, 2285, 3685, 5027, 11425, 18425, 25135, 30619, 125675, 153095, 336809, 765475, 1684045, 8420225]

約数ペア:

[(1, 8420225), (5, 1684045), (11, 765475), (25, 336809), (55, 153095), (67, 125675), (275, 30619), (335, 25135), (457, 18425), (737, 11425), (1675, 5027), (2285, 3685)]