80055640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 128

約数和(自身を含む): 222289920

約数和(自身を除く): 142234280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 401, 434, 460, 620, 644, 713, 802, 805, 868, 920, 1085, 1240, 1288, 1426, 1604, 1610, 1736, 2005, 2170, 2807, 2852, 3208, 3220, 3565, 4010, 4340, 4991, 5614, 5704, 6440, 7130, 8020, 8680, 9223, 9982, 11228, 12431, 14035, 14260, 16040, 18446, 19964, 22456, 24862, 24955, 28070, 28520, 36892, 39928, 46115, 49724, 49910, 56140, 62155, 64561, 73784, 87017, 92230, 99448, 99820, 112280, 124310, 129122, 174034, 184460, 199640, 248620, 258244, 285913, 322805, 348068, 368920, 435085, 497240, 516488, 571826, 645610, 696136, 870170, 1143652, 1291220, 1429565, 1740340, 2001391, 2287304, 2582440, 2859130, 3480680, 4002782, 5718260, 8005564, 10006955, 11436520, 16011128, 20013910, 40027820, 80055640]

約数ペア:

[(1, 80055640), (2, 40027820), (4, 20013910), (5, 16011128), (7, 11436520), (8, 10006955), (10, 8005564), (14, 5718260), (20, 4002782), (23, 3480680), (28, 2859130), (31, 2582440), (35, 2287304), (40, 2001391), (46, 1740340), (56, 1429565), (62, 1291220), (70, 1143652), (92, 870170), (115, 696136), (124, 645610), (140, 571826), (155, 516488), (161, 497240), (184, 435085), (217, 368920), (230, 348068), (248, 322805), (280, 285913), (310, 258244), (322, 248620), (401, 199640), (434, 184460), (460, 174034), (620, 129122), (644, 124310), (713, 112280), (802, 99820), (805, 99448), (868, 92230), (920, 87017), (1085, 73784), (1240, 64561), (1288, 62155), (1426, 56140), (1604, 49910), (1610, 49724), (1736, 46115), (2005, 39928), (2170, 36892), (2807, 28520), (2852, 28070), (3208, 24955), (3220, 24862), (3565, 22456), (4010, 19964), (4340, 18446), (4991, 16040), (5614, 14260), (5704, 14035), (6440, 12431), (7130, 11228), (8020, 9982), (8680, 9223)]