2008578040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10061}}^1$

素因数の和:10133

約数の個数: 128

約数和(自身を含む): 5563883520

約数和(自身を除く): 3555305480

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, 434, 460, 620, 644, 713, 805, 868, 920, 1085, 1240, 1288, 1426, 1610, 1736, 2170, 2852, 3220, 3565, 4340, 4991, 5704, 6440, 7130, 8680, 9982, 10061, 14260, 19964, 20122, 24955, 28520, 39928, 40244, 49910, 50305, 70427, 80488, 99820, 100610, 140854, 199640, 201220, 231403, 281708, 311891, 352135, 402440, 462806, 563416, 623782, 704270, 925612, 1157015, 1247564, 1408540, 1559455, 1619821, 1851224, 2183237, 2314030, 2495128, 2817080, 3118910, 3239642, 4366474, 4628060, 6237820, 6479284, 7173493, 8099105, 8732948, 9256120, 10916185, 12475640, 12958568, 14346986, 16198210, 17465896, 21832370, 28693972, 32396420, 35867465, 43664740, 50214451, 57387944, 64792840, 71734930, 87329480, 100428902, 143469860, 200857804, 251072255, 286939720, 401715608, 502144510, 1004289020, 2008578040]

約数ペア:

[(1, 2008578040), (2, 1004289020), (4, 502144510), (5, 401715608), (7, 286939720), (8, 251072255), (10, 200857804), (14, 143469860), (20, 100428902), (23, 87329480), (28, 71734930), (31, 64792840), (35, 57387944), (40, 50214451), (46, 43664740), (56, 35867465), (62, 32396420), (70, 28693972), (92, 21832370), (115, 17465896), (124, 16198210), (140, 14346986), (155, 12958568), (161, 12475640), (184, 10916185), (217, 9256120), (230, 8732948), (248, 8099105), (280, 7173493), (310, 6479284), (322, 6237820), (434, 4628060), (460, 4366474), (620, 3239642), (644, 3118910), (713, 2817080), (805, 2495128), (868, 2314030), (920, 2183237), (1085, 1851224), (1240, 1619821), (1288, 1559455), (1426, 1408540), (1610, 1247564), (1736, 1157015), (2170, 925612), (2852, 704270), (3220, 623782), (3565, 563416), (4340, 462806), (4991, 402440), (5704, 352135), (6440, 311891), (7130, 281708), (8680, 231403), (9982, 201220), (10061, 199640), (14260, 140854), (19964, 100610), (20122, 99820), (24955, 80488), (28520, 70427), (39928, 50305), (40244, 49910)]