26829122440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{380447}}^1$

素因数の和:380542

約数の個数: 64

約数和(自身を含む): 63276111360

約数和(自身を除く): 36446988920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 14104, 17630, 35260, 70520, 380447, 760894, 1521788, 1902235, 3043576, 3804470, 7608940, 15217880, 15598327, 16359221, 31196654, 32718442, 62393308, 65436884, 77991635, 81796105, 124786616, 130873768, 155983270, 163592210, 311966540, 327184420, 623933080, 654368840, 670728061, 1341456122, 2682912244, 3353640305, 5365824488, 6707280610, 13414561220, 26829122440]

約数ペア:

[(1, 26829122440), (2, 13414561220), (4, 6707280610), (5, 5365824488), (8, 3353640305), (10, 2682912244), (20, 1341456122), (40, 670728061), (41, 654368840), (43, 623933080), (82, 327184420), (86, 311966540), (164, 163592210), (172, 155983270), (205, 130873768), (215, 124786616), (328, 81796105), (344, 77991635), (410, 65436884), (430, 62393308), (820, 32718442), (860, 31196654), (1640, 16359221), (1720, 15598327), (1763, 15217880), (3526, 7608940), (7052, 3804470), (8815, 3043576), (14104, 1902235), (17630, 1521788), (35260, 760894), (70520, 380447)]