2085780040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1\times {\mathrm{1249}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 4762800000

約数和(自身を除く): 2677019960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 503, 664, 830, 1006, 1249, 1660, 2012, 2498, 2515, 3320, 4024, 4996, 5030, 6245, 9992, 10060, 12490, 20120, 24980, 41749, 49960, 83498, 103667, 166996, 207334, 208745, 333992, 414668, 417490, 518335, 628247, 829336, 834980, 1036670, 1256494, 1669960, 2073340, 2512988, 3141235, 4146680, 5025976, 6282470, 12564940, 25129880, 52144501, 104289002, 208578004, 260722505, 417156008, 521445010, 1042890020, 2085780040]

約数ペア:

[(1, 2085780040), (2, 1042890020), (4, 521445010), (5, 417156008), (8, 260722505), (10, 208578004), (20, 104289002), (40, 52144501), (83, 25129880), (166, 12564940), (332, 6282470), (415, 5025976), (503, 4146680), (664, 3141235), (830, 2512988), (1006, 2073340), (1249, 1669960), (1660, 1256494), (2012, 1036670), (2498, 834980), (2515, 829336), (3320, 628247), (4024, 518335), (4996, 417490), (5030, 414668), (6245, 333992), (9992, 208745), (10060, 207334), (12490, 166996), (20120, 103667), (24980, 83498), (41749, 49960)]