86278180

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{3821}}^1$

素因数の和:4959

約数の個数: 24

約数和(自身を含む): 181392120

約数和(自身を除く): 95113940

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 3821, 4516, 5645, 7642, 11290, 15284, 19105, 22580, 38210, 76420, 4313909, 8627818, 17255636, 21569545, 43139090, 86278180]

約数ペア:

[(1, 86278180), (2, 43139090), (4, 21569545), (5, 17255636), (10, 8627818), (20, 4313909), (1129, 76420), (2258, 38210), (3821, 22580), (4516, 19105), (5645, 15284), (7642, 11290)]