28265120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 44891488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 107, 127, 130, 160, 208, 214, 254, 260, 416, 428, 508, 520, 535, 635, 856, 1016, 1040, 1070, 1270, 1391, 1651, 1712, 2032, 2080, 2140, 2540, 2782, 3302, 3424, 4064, 4280, 5080, 5564, 6604, 6955, 8255, 8560, 10160, 11128, 13208, 13589, 13910, 16510, 17120, 20320, 22256, 26416, 27178, 27820, 33020, 44512, 52832, 54356, 55640, 66040, 67945, 108712, 111280, 132080, 135890, 176657, 217424, 222560, 264160, 271780, 353314, 434848, 543560, 706628, 883285, 1087120, 1413256, 1766570, 2174240, 2826512, 3533140, 5653024, 7066280, 14132560, 28265120]

約数ペア:

[(1, 28265120), (2, 14132560), (4, 7066280), (5, 5653024), (8, 3533140), (10, 2826512), (13, 2174240), (16, 1766570), (20, 1413256), (26, 1087120), (32, 883285), (40, 706628), (52, 543560), (65, 434848), (80, 353314), (104, 271780), (107, 264160), (127, 222560), (130, 217424), (160, 176657), (208, 135890), (214, 132080), (254, 111280), (260, 108712), (416, 67945), (428, 66040), (508, 55640), (520, 54356), (535, 52832), (635, 44512), (856, 33020), (1016, 27820), (1040, 27178), (1070, 26416), (1270, 22256), (1391, 20320), (1651, 17120), (1712, 16510), (2032, 13910), (2080, 13589), (2140, 13208), (2540, 11128), (2782, 10160), (3302, 8560), (3424, 8255), (4064, 6955), (4280, 6604), (5080, 5564)]