81096560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53353}}^1$

素因数の和:53385

約数の個数: 40

約数和(自身を含む): 198476880

約数和(自身を除く): 117380320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 53353, 106706, 213412, 266765, 426824, 533530, 853648, 1013707, 1067060, 2027414, 2134120, 4054828, 4268240, 5068535, 8109656, 10137070, 16219312, 20274140, 40548280, 81096560]

約数ペア:

[(1, 81096560), (2, 40548280), (4, 20274140), (5, 16219312), (8, 10137070), (10, 8109656), (16, 5068535), (19, 4268240), (20, 4054828), (38, 2134120), (40, 2027414), (76, 1067060), (80, 1013707), (95, 853648), (152, 533530), (190, 426824), (304, 266765), (380, 213412), (760, 106706), (1520, 53353)]