66028840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27061}}^1$

素因数の和:27133

約数の個数: 32

約数和(自身を含む): 151005960

約数和(自身を除く): 84977120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27061, 54122, 108244, 135305, 216488, 270610, 541220, 1082440, 1650721, 3301442, 6602884, 8253605, 13205768, 16507210, 33014420, 66028840]

約数ペア:

[(1, 66028840), (2, 33014420), (4, 16507210), (5, 13205768), (8, 8253605), (10, 6602884), (20, 3301442), (40, 1650721), (61, 1082440), (122, 541220), (244, 270610), (305, 216488), (488, 135305), (610, 108244), (1220, 54122), (2440, 27061)]