28749080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31249}}^1$

素因数の和:31283

約数の個数: 32

約数和(自身を含む): 67500000

約数和(自身を除く): 38750920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31249, 62498, 124996, 156245, 249992, 312490, 624980, 718727, 1249960, 1437454, 2874908, 3593635, 5749816, 7187270, 14374540, 28749080]

約数ペア:

[(1, 28749080), (2, 14374540), (4, 7187270), (5, 5749816), (8, 3593635), (10, 2874908), (20, 1437454), (23, 1249960), (40, 718727), (46, 624980), (92, 312490), (115, 249992), (184, 156245), (230, 124996), (460, 62498), (920, 31249)]