265612880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 670623744

約数和(自身を除く): 405010864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2011, 2032, 2540, 3302, 4022, 5080, 6604, 8044, 8255, 10055, 10160, 13208, 16088, 16510, 20110, 26143, 26416, 32176, 33020, 40220, 52286, 66040, 80440, 104572, 130715, 132080, 160880, 209144, 255397, 261430, 418288, 510794, 522860, 1021588, 1045720, 1276985, 2043176, 2091440, 2553970, 3320161, 4086352, 5107940, 6640322, 10215880, 13280644, 16600805, 20431760, 26561288, 33201610, 53122576, 66403220, 132806440, 265612880]

約数ペア:

[(1, 265612880), (2, 132806440), (4, 66403220), (5, 53122576), (8, 33201610), (10, 26561288), (13, 20431760), (16, 16600805), (20, 13280644), (26, 10215880), (40, 6640322), (52, 5107940), (65, 4086352), (80, 3320161), (104, 2553970), (127, 2091440), (130, 2043176), (208, 1276985), (254, 1045720), (260, 1021588), (508, 522860), (520, 510794), (635, 418288), (1016, 261430), (1040, 255397), (1270, 209144), (1651, 160880), (2011, 132080), (2032, 130715), (2540, 104572), (3302, 80440), (4022, 66040), (5080, 52286), (6604, 40220), (8044, 33020), (8255, 32176), (10055, 26416), (10160, 26143), (13208, 20110), (16088, 16510)]