1036789480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{1627}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 2373624000

約数和(自身を除く): 1336834520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 179, 356, 358, 445, 712, 716, 890, 895, 1432, 1627, 1780, 1790, 3254, 3560, 3580, 6508, 7160, 8135, 13016, 15931, 16270, 31862, 32540, 63724, 65080, 79655, 127448, 144803, 159310, 289606, 291233, 318620, 579212, 582466, 637240, 724015, 1158424, 1164932, 1448030, 1456165, 2329864, 2896060, 2912330, 5792120, 5824660, 11649320, 25919737, 51839474, 103678948, 129598685, 207357896, 259197370, 518394740, 1036789480]

約数ペア:

[(1, 1036789480), (2, 518394740), (4, 259197370), (5, 207357896), (8, 129598685), (10, 103678948), (20, 51839474), (40, 25919737), (89, 11649320), (178, 5824660), (179, 5792120), (356, 2912330), (358, 2896060), (445, 2329864), (712, 1456165), (716, 1448030), (890, 1164932), (895, 1158424), (1432, 724015), (1627, 637240), (1780, 582466), (1790, 579212), (3254, 318620), (3560, 291233), (3580, 289606), (6508, 159310), (7160, 144803), (8135, 127448), (13016, 79655), (15931, 65080), (16270, 63724), (31862, 32540)]