2078487440

素因数分解:

$2^4\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{17881}}^1$

素因数の和:19347

約数の個数: 40

約数和(自身を含む): 4836079608

約数和(自身を除く): 2757592168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1453, 2906, 5812, 7265, 11624, 14530, 17881, 23248, 29060, 35762, 58120, 71524, 89405, 116240, 143048, 178810, 286096, 357620, 715240, 1430480, 25981093, 51962186, 103924372, 129905465, 207848744, 259810930, 415697488, 519621860, 1039243720, 2078487440]

約数ペア:

[(1, 2078487440), (2, 1039243720), (4, 519621860), (5, 415697488), (8, 259810930), (10, 207848744), (16, 129905465), (20, 103924372), (40, 51962186), (80, 25981093), (1453, 1430480), (2906, 715240), (5812, 357620), (7265, 286096), (11624, 178810), (14530, 143048), (17881, 116240), (23248, 89405), (29060, 71524), (35762, 58120)]