28465720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30941}}^1$

素因数の和:30975

約数の個数: 32

約数和(自身を含む): 66834720

約数和(自身を除く): 38369000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30941, 61882, 123764, 154705, 247528, 309410, 618820, 711643, 1237640, 1423286, 2846572, 3558215, 5693144, 7116430, 14232860, 28465720]

約数ペア:

[(1, 28465720), (2, 14232860), (4, 7116430), (5, 5693144), (8, 3558215), (10, 2846572), (20, 1423286), (23, 1237640), (40, 711643), (46, 618820), (92, 309410), (115, 247528), (184, 154705), (230, 123764), (460, 61882), (920, 30941)]