78204040

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4241}}^1$

素因数の和:4713

約数の個数: 32

約数和(自身を含む): 176382360

約数和(自身を除く): 98178320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4241, 4610, 8482, 9220, 16964, 18440, 21205, 33928, 42410, 84820, 169640, 1955101, 3910202, 7820404, 9775505, 15640808, 19551010, 39102020, 78204040]

約数ペア:

[(1, 78204040), (2, 39102020), (4, 19551010), (5, 15640808), (8, 9775505), (10, 7820404), (20, 3910202), (40, 1955101), (461, 169640), (922, 84820), (1844, 42410), (2305, 33928), (3688, 21205), (4241, 18440), (4610, 16964), (8482, 9220)]