61850120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 81850360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 167, 188, 197, 235, 334, 376, 394, 470, 668, 788, 835, 940, 985, 1336, 1576, 1670, 1880, 1970, 3340, 3940, 6680, 7849, 7880, 9259, 15698, 18518, 31396, 32899, 37036, 39245, 46295, 62792, 65798, 74072, 78490, 92590, 131596, 156980, 164495, 185180, 263192, 313960, 328990, 370360, 657980, 1315960, 1546253, 3092506, 6185012, 7731265, 12370024, 15462530, 30925060, 61850120]

約数ペア:

[(1, 61850120), (2, 30925060), (4, 15462530), (5, 12370024), (8, 7731265), (10, 6185012), (20, 3092506), (40, 1546253), (47, 1315960), (94, 657980), (167, 370360), (188, 328990), (197, 313960), (235, 263192), (334, 185180), (376, 164495), (394, 156980), (470, 131596), (668, 92590), (788, 78490), (835, 74072), (940, 65798), (985, 62792), (1336, 46295), (1576, 39245), (1670, 37036), (1880, 32899), (1970, 31396), (3340, 18518), (3940, 15698), (6680, 9259), (7849, 7880)]