89461180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 195027840

約数和(自身を除く): 105566660

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1381, 1580, 2762, 3239, 5524, 6478, 6905, 12956, 13810, 16195, 27620, 32390, 56621, 64780, 109099, 113242, 218198, 226484, 283105, 436396, 545495, 566210, 1090990, 1132420, 2181980, 4473059, 8946118, 17892236, 22365295, 44730590, 89461180]

約数ペア:

[(1, 89461180), (2, 44730590), (4, 22365295), (5, 17892236), (10, 8946118), (20, 4473059), (41, 2181980), (79, 1132420), (82, 1090990), (158, 566210), (164, 545495), (205, 436396), (316, 283105), (395, 226484), (410, 218198), (790, 113242), (820, 109099), (1381, 64780), (1580, 56621), (2762, 32390), (3239, 27620), (5524, 16195), (6478, 13810), (6905, 12956)]