28234240

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 80

約数和(自身を含む): 69604920

約数和(自身を除く): 41370680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 269, 320, 328, 410, 512, 538, 640, 656, 820, 1076, 1280, 1312, 1345, 1640, 2152, 2560, 2624, 2690, 3280, 4304, 5248, 5380, 6560, 8608, 10496, 10760, 11029, 13120, 17216, 20992, 21520, 22058, 26240, 34432, 43040, 44116, 52480, 55145, 68864, 86080, 88232, 104960, 110290, 137728, 172160, 176464, 220580, 344320, 352928, 441160, 688640, 705856, 882320, 1411712, 1764640, 2823424, 3529280, 5646848, 7058560, 14117120, 28234240]

約数ペア:

[(1, 28234240), (2, 14117120), (4, 7058560), (5, 5646848), (8, 3529280), (10, 2823424), (16, 1764640), (20, 1411712), (32, 882320), (40, 705856), (41, 688640), (64, 441160), (80, 352928), (82, 344320), (128, 220580), (160, 176464), (164, 172160), (205, 137728), (256, 110290), (269, 104960), (320, 88232), (328, 86080), (410, 68864), (512, 55145), (538, 52480), (640, 44116), (656, 43040), (820, 34432), (1076, 26240), (1280, 22058), (1312, 21520), (1345, 20992), (1640, 17216), (2152, 13120), (2560, 11029), (2624, 10760), (2690, 10496), (3280, 8608), (4304, 6560), (5248, 5380)]