38734640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^2$

素因数の和:546

約数の個数: 60

約数和(自身を含む): 103316304

約数和(自身を除く): 64581664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1315, 1841, 2104, 2630, 3682, 4208, 5260, 7364, 9205, 10520, 14728, 18410, 21040, 29456, 36820, 69169, 73640, 138338, 147280, 276676, 345845, 484183, 553352, 691690, 968366, 1106704, 1383380, 1936732, 2420915, 2766760, 3873464, 4841830, 5533520, 7746928, 9683660, 19367320, 38734640]

約数ペア:

[(1, 38734640), (2, 19367320), (4, 9683660), (5, 7746928), (7, 5533520), (8, 4841830), (10, 3873464), (14, 2766760), (16, 2420915), (20, 1936732), (28, 1383380), (35, 1106704), (40, 968366), (56, 691690), (70, 553352), (80, 484183), (112, 345845), (140, 276676), (263, 147280), (280, 138338), (526, 73640), (560, 69169), (1052, 36820), (1315, 29456), (1841, 21040), (2104, 18410), (2630, 14728), (3682, 10520), (4208, 9205), (5260, 7364)]