42168996920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25712803}}^1$

素因数の和:25712855

約数の個数: 32

約数和(自身を含む): 97194399120

約数和(自身を除く): 55025402200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25712803, 51425606, 102851212, 128564015, 205702424, 257128030, 514256060, 1028512120, 1054224923, 2108449846, 4216899692, 5271124615, 8433799384, 10542249230, 21084498460, 42168996920]

約数ペア:

[(1, 42168996920), (2, 21084498460), (4, 10542249230), (5, 8433799384), (8, 5271124615), (10, 4216899692), (20, 2108449846), (40, 1054224923), (41, 1028512120), (82, 514256060), (164, 257128030), (205, 205702424), (328, 128564015), (410, 102851212), (820, 51425606), (1640, 25712803)]