28652020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 63302400

約数和(自身を除く): 34650380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 313, 398, 460, 626, 796, 995, 1252, 1565, 1990, 3130, 3980, 4577, 6260, 7199, 9154, 14398, 18308, 22885, 28796, 35995, 45770, 62287, 71990, 91540, 124574, 143980, 249148, 311435, 622870, 1245740, 1432601, 2865202, 5730404, 7163005, 14326010, 28652020]

約数ペア:

[(1, 28652020), (2, 14326010), (4, 7163005), (5, 5730404), (10, 2865202), (20, 1432601), (23, 1245740), (46, 622870), (92, 311435), (115, 249148), (199, 143980), (230, 124574), (313, 91540), (398, 71990), (460, 62287), (626, 45770), (796, 35995), (995, 28796), (1252, 22885), (1565, 18308), (1990, 14398), (3130, 9154), (3980, 7199), (4577, 6260)]