42553900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 96462576

約数和(自身を除く): 53908676

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 97, 100, 107, 164, 194, 205, 214, 388, 410, 428, 485, 535, 820, 970, 1025, 1070, 1940, 2050, 2140, 2425, 2675, 3977, 4100, 4387, 4850, 5350, 7954, 8774, 9700, 10379, 10700, 15908, 17548, 19885, 20758, 21935, 39770, 41516, 43870, 51895, 79540, 87740, 99425, 103790, 109675, 198850, 207580, 219350, 259475, 397700, 425539, 438700, 518950, 851078, 1037900, 1702156, 2127695, 4255390, 8510780, 10638475, 21276950, 42553900]

約数ペア:

[(1, 42553900), (2, 21276950), (4, 10638475), (5, 8510780), (10, 4255390), (20, 2127695), (25, 1702156), (41, 1037900), (50, 851078), (82, 518950), (97, 438700), (100, 425539), (107, 397700), (164, 259475), (194, 219350), (205, 207580), (214, 198850), (388, 109675), (410, 103790), (428, 99425), (485, 87740), (535, 79540), (820, 51895), (970, 43870), (1025, 41516), (1070, 39770), (1940, 21935), (2050, 20758), (2140, 19885), (2425, 17548), (2675, 15908), (3977, 10700), (4100, 10379), (4387, 9700), (4850, 8774), (5350, 7954)]