79938440

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4373}}^1$

素因数の和:4841

約数の個数: 32

約数和(自身を含む): 180296280

約数和(自身を除く): 100357840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4373, 4570, 8746, 9140, 17492, 18280, 21865, 34984, 43730, 87460, 174920, 1998461, 3996922, 7993844, 9992305, 15987688, 19984610, 39969220, 79938440]

約数ペア:

[(1, 79938440), (2, 39969220), (4, 19984610), (5, 15987688), (8, 9992305), (10, 7993844), (20, 3996922), (40, 1998461), (457, 174920), (914, 87460), (1828, 43730), (2285, 34984), (3656, 21865), (4373, 18280), (4570, 17492), (8746, 9140)]