165000400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10061}}^1$

素因数の和:10120

約数の個数: 60

約数和(自身を含む): 406122444

約数和(自身を除く): 241122044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 10061, 16400, 20122, 40244, 50305, 80488, 100610, 160976, 201220, 251525, 402440, 412501, 503050, 804880, 825002, 1006100, 1650004, 2012200, 2062505, 3300008, 4024400, 4125010, 6600016, 8250020, 10312525, 16500040, 20625050, 33000080, 41250100, 82500200, 165000400]

約数ペア:

[(1, 165000400), (2, 82500200), (4, 41250100), (5, 33000080), (8, 20625050), (10, 16500040), (16, 10312525), (20, 8250020), (25, 6600016), (40, 4125010), (41, 4024400), (50, 3300008), (80, 2062505), (82, 2012200), (100, 1650004), (164, 1006100), (200, 825002), (205, 804880), (328, 503050), (400, 412501), (410, 402440), (656, 251525), (820, 201220), (1025, 160976), (1640, 100610), (2050, 80488), (3280, 50305), (4100, 40244), (8200, 20122), (10061, 16400)]