28165380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16187}}^1$

素因数の和:16228

約数の個数: 48

約数和(自身を含む): 81587520

約数和(自身を除く): 53422140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 16187, 32374, 48561, 64748, 80935, 97122, 161870, 194244, 242805, 323740, 469423, 485610, 938846, 971220, 1408269, 1877692, 2347115, 2816538, 4694230, 5633076, 7041345, 9388460, 14082690, 28165380]

約数ペア:

[(1, 28165380), (2, 14082690), (3, 9388460), (4, 7041345), (5, 5633076), (6, 4694230), (10, 2816538), (12, 2347115), (15, 1877692), (20, 1408269), (29, 971220), (30, 938846), (58, 485610), (60, 469423), (87, 323740), (116, 242805), (145, 194244), (174, 161870), (290, 97122), (348, 80935), (435, 64748), (580, 48561), (870, 32374), (1740, 16187)]