66202000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 162489600

約数和(自身を除く): 96287600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 419, 500, 632, 790, 838, 1000, 1264, 1580, 1676, 1975, 2000, 2095, 3160, 3352, 3950, 4190, 6320, 6704, 7900, 8380, 9875, 10475, 15800, 16760, 19750, 20950, 31600, 33101, 33520, 39500, 41900, 52375, 66202, 79000, 83800, 104750, 132404, 158000, 165505, 167600, 209500, 264808, 331010, 419000, 529616, 662020, 827525, 838000, 1324040, 1655050, 2648080, 3310100, 4137625, 6620200, 8275250, 13240400, 16550500, 33101000, 66202000]

約数ペア:

[(1, 66202000), (2, 33101000), (4, 16550500), (5, 13240400), (8, 8275250), (10, 6620200), (16, 4137625), (20, 3310100), (25, 2648080), (40, 1655050), (50, 1324040), (79, 838000), (80, 827525), (100, 662020), (125, 529616), (158, 419000), (200, 331010), (250, 264808), (316, 209500), (395, 167600), (400, 165505), (419, 158000), (500, 132404), (632, 104750), (790, 83800), (838, 79000), (1000, 66202), (1264, 52375), (1580, 41900), (1676, 39500), (1975, 33520), (2000, 33101), (2095, 31600), (3160, 20950), (3352, 19750), (3950, 16760), (4190, 15800), (6320, 10475), (6704, 9875), (7900, 8380)]