164045920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1544

約数の個数: 96

約数和(自身を含む): 420650496

約数和(自身を除く): 256604576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 170, 205, 272, 328, 340, 410, 544, 656, 680, 697, 820, 1312, 1360, 1394, 1471, 1640, 2720, 2788, 2942, 3280, 3485, 5576, 5884, 6560, 6970, 7355, 11152, 11768, 13940, 14710, 22304, 23536, 25007, 27880, 29420, 47072, 50014, 55760, 58840, 60311, 100028, 111520, 117680, 120622, 125035, 200056, 235360, 241244, 250070, 301555, 400112, 482488, 500140, 603110, 800224, 964976, 1000280, 1025287, 1206220, 1929952, 2000560, 2050574, 2412440, 4001120, 4101148, 4824880, 5126435, 8202296, 9649760, 10252870, 16404592, 20505740, 32809184, 41011480, 82022960, 164045920]

約数ペア:

[(1, 164045920), (2, 82022960), (4, 41011480), (5, 32809184), (8, 20505740), (10, 16404592), (16, 10252870), (17, 9649760), (20, 8202296), (32, 5126435), (34, 4824880), (40, 4101148), (41, 4001120), (68, 2412440), (80, 2050574), (82, 2000560), (85, 1929952), (136, 1206220), (160, 1025287), (164, 1000280), (170, 964976), (205, 800224), (272, 603110), (328, 500140), (340, 482488), (410, 400112), (544, 301555), (656, 250070), (680, 241244), (697, 235360), (820, 200056), (1312, 125035), (1360, 120622), (1394, 117680), (1471, 111520), (1640, 100028), (2720, 60311), (2788, 58840), (2942, 55760), (3280, 50014), (3485, 47072), (5576, 29420), (5884, 27880), (6560, 25007), (6970, 23536), (7355, 22304), (11152, 14710), (11768, 13940)]