87085240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197921}}^1$

素因数の和:197943

約数の個数: 32

約数和(自身を含む): 213755760

約数和(自身を除く): 126670520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197921, 395842, 791684, 989605, 1583368, 1979210, 2177131, 3958420, 4354262, 7916840, 8708524, 10885655, 17417048, 21771310, 43542620, 87085240]

約数ペア:

[(1, 87085240), (2, 43542620), (4, 21771310), (5, 17417048), (8, 10885655), (10, 8708524), (11, 7916840), (20, 4354262), (22, 3958420), (40, 2177131), (44, 1979210), (55, 1583368), (88, 989605), (110, 791684), (220, 395842), (440, 197921)]