164280500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{4159}}^1$

素因数の和:4257

約数の個数: 48

約数和(自身を含む): 363417600

約数和(自身を除く): 199137100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3950, 4159, 7900, 8318, 9875, 16636, 19750, 20795, 39500, 41590, 83180, 103975, 207950, 328561, 415900, 519875, 657122, 1039750, 1314244, 1642805, 2079500, 3285610, 6571220, 8214025, 16428050, 32856100, 41070125, 82140250, 164280500]

約数ペア:

[(1, 164280500), (2, 82140250), (4, 41070125), (5, 32856100), (10, 16428050), (20, 8214025), (25, 6571220), (50, 3285610), (79, 2079500), (100, 1642805), (125, 1314244), (158, 1039750), (250, 657122), (316, 519875), (395, 415900), (500, 328561), (790, 207950), (1580, 103975), (1975, 83180), (3950, 41590), (4159, 39500), (7900, 20795), (8318, 19750), (9875, 16636)]