20161896800

素因数分解:

$2^5\times 5^2\times {\mathrm{6089}}^1\times {\mathrm{4139}}^1$

素因数の和:10248

約数の個数: 72

約数和(自身を含む): 49240207800

約数和(自身を除く): 29078311000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 4139, 6089, 8278, 12178, 16556, 20695, 24356, 30445, 33112, 41390, 48712, 60890, 66224, 82780, 97424, 103475, 121780, 132448, 152225, 165560, 194848, 206950, 243560, 304450, 331120, 413900, 487120, 608900, 662240, 827800, 974240, 1217800, 1655600, 2435600, 3311200, 4871200, 25202371, 50404742, 100809484, 126011855, 201618968, 252023710, 403237936, 504047420, 630059275, 806475872, 1008094840, 1260118550, 2016189680, 2520237100, 4032379360, 5040474200, 10080948400, 20161896800]

約数ペア:

[(1, 20161896800), (2, 10080948400), (4, 5040474200), (5, 4032379360), (8, 2520237100), (10, 2016189680), (16, 1260118550), (20, 1008094840), (25, 806475872), (32, 630059275), (40, 504047420), (50, 403237936), (80, 252023710), (100, 201618968), (160, 126011855), (200, 100809484), (400, 50404742), (800, 25202371), (4139, 4871200), (6089, 3311200), (8278, 2435600), (12178, 1655600), (16556, 1217800), (20695, 974240), (24356, 827800), (30445, 662240), (33112, 608900), (41390, 487120), (48712, 413900), (60890, 331120), (66224, 304450), (82780, 243560), (97424, 206950), (103475, 194848), (121780, 165560), (132448, 152225)]