2050871600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{64901}}^1$

素因数の和:64998

約数の個数: 60

約数和(自身を含む): 4989665760

約数和(自身を除く): 2938794160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6320, 7900, 15800, 31600, 64901, 129802, 259604, 324505, 519208, 649010, 1038416, 1298020, 1622525, 2596040, 3245050, 5127179, 5192080, 6490100, 10254358, 12980200, 20508716, 25635895, 25960400, 41017432, 51271790, 82034864, 102543580, 128179475, 205087160, 256358950, 410174320, 512717900, 1025435800, 2050871600]

約数ペア:

[(1, 2050871600), (2, 1025435800), (4, 512717900), (5, 410174320), (8, 256358950), (10, 205087160), (16, 128179475), (20, 102543580), (25, 82034864), (40, 51271790), (50, 41017432), (79, 25960400), (80, 25635895), (100, 20508716), (158, 12980200), (200, 10254358), (316, 6490100), (395, 5192080), (400, 5127179), (632, 3245050), (790, 2596040), (1264, 1622525), (1580, 1298020), (1975, 1038416), (3160, 649010), (3950, 519208), (6320, 324505), (7900, 259604), (15800, 129802), (31600, 64901)]