19761760

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4259}}^1$

素因数の和:4303

約数の個数: 48

約数和(自身を含む): 48308400

約数和(自身を除く): 28546640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4259, 4640, 8518, 17036, 21295, 34072, 42590, 68144, 85180, 123511, 136288, 170360, 247022, 340720, 494044, 617555, 681440, 988088, 1235110, 1976176, 2470220, 3952352, 4940440, 9880880, 19761760]

約数ペア:

[(1, 19761760), (2, 9880880), (4, 4940440), (5, 3952352), (8, 2470220), (10, 1976176), (16, 1235110), (20, 988088), (29, 681440), (32, 617555), (40, 494044), (58, 340720), (80, 247022), (116, 170360), (145, 136288), (160, 123511), (232, 85180), (290, 68144), (464, 42590), (580, 34072), (928, 21295), (1160, 17036), (2320, 8518), (4259, 4640)]