81136360

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5527}}^1$

素因数の和:5905

約数の個数: 32

約数和(自身を含む): 183087360

約数和(自身を除く): 101951000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 5527, 7340, 11054, 14680, 22108, 27635, 44216, 55270, 110540, 221080, 2028409, 4056818, 8113636, 10142045, 16227272, 20284090, 40568180, 81136360]

約数ペア:

[(1, 81136360), (2, 40568180), (4, 20284090), (5, 16227272), (8, 10142045), (10, 8113636), (20, 4056818), (40, 2028409), (367, 221080), (734, 110540), (1468, 55270), (1835, 44216), (2936, 27635), (3670, 22108), (5527, 14680), (7340, 11054)]