28005327560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4519}}^1\times {\mathrm{22133}}^1$

素因数の和:26670

約数の個数: 64

約数和(自身を含む): 72032889600

約数和(自身を除く): 44027562040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4519, 9038, 18076, 22133, 22595, 31633, 36152, 44266, 45190, 63266, 88532, 90380, 110665, 126532, 154931, 158165, 177064, 180760, 221330, 253064, 309862, 316330, 442660, 619724, 632660, 774655, 885320, 1239448, 1265320, 1549310, 3098620, 6197240, 100019027, 200038054, 400076108, 500095135, 700133189, 800152216, 1000190270, 1400266378, 2000380540, 2800532756, 3500665945, 4000761080, 5601065512, 7001331890, 14002663780, 28005327560]

約数ペア:

[(1, 28005327560), (2, 14002663780), (4, 7001331890), (5, 5601065512), (7, 4000761080), (8, 3500665945), (10, 2800532756), (14, 2000380540), (20, 1400266378), (28, 1000190270), (35, 800152216), (40, 700133189), (56, 500095135), (70, 400076108), (140, 200038054), (280, 100019027), (4519, 6197240), (9038, 3098620), (18076, 1549310), (22133, 1265320), (22595, 1239448), (31633, 885320), (36152, 774655), (44266, 632660), (45190, 619724), (63266, 442660), (88532, 316330), (90380, 309862), (110665, 253064), (126532, 221330), (154931, 180760), (158165, 177064)]