80236040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^2$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 187469100

約数和(自身を除く): 107233060

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 263, 290, 526, 580, 1052, 1160, 1315, 2104, 2630, 5260, 7627, 10520, 15254, 30508, 38135, 61016, 69169, 76270, 138338, 152540, 276676, 305080, 345845, 553352, 691690, 1383380, 2005901, 2766760, 4011802, 8023604, 10029505, 16047208, 20059010, 40118020, 80236040]

約数ペア:

[(1, 80236040), (2, 40118020), (4, 20059010), (5, 16047208), (8, 10029505), (10, 8023604), (20, 4011802), (29, 2766760), (40, 2005901), (58, 1383380), (116, 691690), (145, 553352), (232, 345845), (263, 305080), (290, 276676), (526, 152540), (580, 138338), (1052, 76270), (1160, 69169), (1315, 61016), (2104, 38135), (2630, 30508), (5260, 15254), (7627, 10520)]