39207400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 96243840

約数和(自身を除く): 57036440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 47, 50, 86, 94, 97, 100, 172, 188, 194, 200, 215, 235, 344, 376, 388, 430, 470, 485, 776, 860, 940, 970, 1075, 1175, 1720, 1880, 1940, 2021, 2150, 2350, 2425, 3880, 4042, 4171, 4300, 4559, 4700, 4850, 8084, 8342, 8600, 9118, 9400, 9700, 10105, 16168, 16684, 18236, 19400, 20210, 20855, 22795, 33368, 36472, 40420, 41710, 45590, 50525, 80840, 83420, 91180, 101050, 104275, 113975, 166840, 182360, 196037, 202100, 208550, 227950, 392074, 404200, 417100, 455900, 784148, 834200, 911800, 980185, 1568296, 1960370, 3920740, 4900925, 7841480, 9801850, 19603700, 39207400]

約数ペア:

[(1, 39207400), (2, 19603700), (4, 9801850), (5, 7841480), (8, 4900925), (10, 3920740), (20, 1960370), (25, 1568296), (40, 980185), (43, 911800), (47, 834200), (50, 784148), (86, 455900), (94, 417100), (97, 404200), (100, 392074), (172, 227950), (188, 208550), (194, 202100), (200, 196037), (215, 182360), (235, 166840), (344, 113975), (376, 104275), (388, 101050), (430, 91180), (470, 83420), (485, 80840), (776, 50525), (860, 45590), (940, 41710), (970, 40420), (1075, 36472), (1175, 33368), (1720, 22795), (1880, 20855), (1940, 20210), (2021, 19400), (2150, 18236), (2350, 16684), (2425, 16168), (3880, 10105), (4042, 9700), (4171, 9400), (4300, 9118), (4559, 8600), (4700, 8342), (4850, 8084)]