28090360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 69465600

約数和(自身を除く): 41375240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1607, 1748, 2185, 3214, 3496, 4370, 6428, 8035, 8740, 12856, 16070, 17480, 30533, 32140, 36961, 61066, 64280, 73922, 122132, 147844, 152665, 184805, 244264, 295688, 305330, 369610, 610660, 702259, 739220, 1221320, 1404518, 1478440, 2809036, 3511295, 5618072, 7022590, 14045180, 28090360]

約数ペア:

[(1, 28090360), (2, 14045180), (4, 7022590), (5, 5618072), (8, 3511295), (10, 2809036), (19, 1478440), (20, 1404518), (23, 1221320), (38, 739220), (40, 702259), (46, 610660), (76, 369610), (92, 305330), (95, 295688), (115, 244264), (152, 184805), (184, 152665), (190, 147844), (230, 122132), (380, 73922), (437, 64280), (460, 61066), (760, 36961), (874, 32140), (920, 30533), (1607, 17480), (1748, 16070), (2185, 12856), (3214, 8740), (3496, 8035), (4370, 6428)]