2019916984760

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{6043}}^1\times {\mathrm{17159}}^1$

素因数の和:23700

約数の個数: 64

約数和(自身を含む): 4555164556800

約数和(自身を除く): 2535247572040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 6043, 9740, 12086, 17159, 19480, 24172, 30215, 34318, 48344, 60430, 68636, 85795, 120860, 137272, 171590, 241720, 343180, 686360, 2942941, 5885882, 8356433, 11771764, 14714705, 16712866, 23543528, 29429410, 33425732, 41782165, 58858820, 66851464, 83564330, 103691837, 117717640, 167128660, 207383674, 334257320, 414767348, 518459185, 829534696, 1036918370, 2073836740, 4147673480, 50497924619, 100995849238, 201991698476, 252489623095, 403983396952, 504979246190, 1009958492380, 2019916984760]

約数ペア:

[(1, 2019916984760), (2, 1009958492380), (4, 504979246190), (5, 403983396952), (8, 252489623095), (10, 201991698476), (20, 100995849238), (40, 50497924619), (487, 4147673480), (974, 2073836740), (1948, 1036918370), (2435, 829534696), (3896, 518459185), (4870, 414767348), (6043, 334257320), (9740, 207383674), (12086, 167128660), (17159, 117717640), (19480, 103691837), (24172, 83564330), (30215, 66851464), (34318, 58858820), (48344, 41782165), (60430, 33425732), (68636, 29429410), (85795, 23543528), (120860, 16712866), (137272, 14714705), (171590, 11771764), (241720, 8356433), (343180, 5885882), (686360, 2942941)]