85171280

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 203986944

約数和(自身を除く): 118815664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 101, 127, 166, 202, 254, 332, 404, 415, 505, 508, 635, 664, 808, 830, 1010, 1016, 1270, 1328, 1616, 1660, 2020, 2032, 2540, 3320, 4040, 5080, 6640, 8080, 8383, 10160, 10541, 12827, 16766, 21082, 25654, 33532, 41915, 42164, 51308, 52705, 64135, 67064, 83830, 84328, 102616, 105410, 128270, 134128, 167660, 168656, 205232, 210820, 256540, 335320, 421640, 513080, 670640, 843280, 1026160, 1064641, 2129282, 4258564, 5323205, 8517128, 10646410, 17034256, 21292820, 42585640, 85171280]

約数ペア:

[(1, 85171280), (2, 42585640), (4, 21292820), (5, 17034256), (8, 10646410), (10, 8517128), (16, 5323205), (20, 4258564), (40, 2129282), (80, 1064641), (83, 1026160), (101, 843280), (127, 670640), (166, 513080), (202, 421640), (254, 335320), (332, 256540), (404, 210820), (415, 205232), (505, 168656), (508, 167660), (635, 134128), (664, 128270), (808, 105410), (830, 102616), (1010, 84328), (1016, 83830), (1270, 67064), (1328, 64135), (1616, 52705), (1660, 51308), (2020, 42164), (2032, 41915), (2540, 33532), (3320, 25654), (4040, 21082), (5080, 16766), (6640, 12827), (8080, 10541), (8383, 10160)]