79998160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90907}}^1$

素因数の和:90931

約数の個数: 40

約数和(自身を含む): 202906656

約数和(自身を除く): 122908496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 90907, 181814, 363628, 454535, 727256, 909070, 999977, 1454512, 1818140, 1999954, 3636280, 3999908, 4999885, 7272560, 7999816, 9999770, 15999632, 19999540, 39999080, 79998160]

約数ペア:

[(1, 79998160), (2, 39999080), (4, 19999540), (5, 15999632), (8, 9999770), (10, 7999816), (11, 7272560), (16, 4999885), (20, 3999908), (22, 3636280), (40, 1999954), (44, 1818140), (55, 1454512), (80, 999977), (88, 909070), (110, 727256), (176, 454535), (220, 363628), (440, 181814), (880, 90907)]