80574760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9923}}^1$

素因数の和:9970

約数の個数: 64

約数和(自身を含む): 214358400

約数和(自身を除く): 133783640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9923, 19846, 39692, 49615, 69461, 79384, 99230, 138922, 198460, 277844, 287767, 347305, 396920, 555688, 575534, 694610, 1151068, 1389220, 1438835, 2014369, 2302136, 2778440, 2877670, 4028738, 5755340, 8057476, 10071845, 11510680, 16114952, 20143690, 40287380, 80574760]

約数ペア:

[(1, 80574760), (2, 40287380), (4, 20143690), (5, 16114952), (7, 11510680), (8, 10071845), (10, 8057476), (14, 5755340), (20, 4028738), (28, 2877670), (29, 2778440), (35, 2302136), (40, 2014369), (56, 1438835), (58, 1389220), (70, 1151068), (116, 694610), (140, 575534), (145, 555688), (203, 396920), (232, 347305), (280, 287767), (290, 277844), (406, 198460), (580, 138922), (812, 99230), (1015, 79384), (1160, 69461), (1624, 49615), (2030, 39692), (4060, 19846), (8120, 9923)]