212173880

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{4783}}^1$

素因数の和:5903

約数の個数: 32

約数和(自身を含む): 477921600

約数和(自身を除く): 265747720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4436, 4783, 5545, 8872, 9566, 11090, 19132, 22180, 23915, 38264, 44360, 47830, 95660, 191320, 5304347, 10608694, 21217388, 26521735, 42434776, 53043470, 106086940, 212173880]

約数ペア:

[(1, 212173880), (2, 106086940), (4, 53043470), (5, 42434776), (8, 26521735), (10, 21217388), (20, 10608694), (40, 5304347), (1109, 191320), (2218, 95660), (4436, 47830), (4783, 44360), (5545, 38264), (8872, 23915), (9566, 22180), (11090, 19132)]