28528280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2864

約数の個数: 64

約数和(自身を含む): 73094400

約数和(自身を除く): 44566120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 2819, 5060, 5638, 10120, 11276, 14095, 22552, 28190, 31009, 56380, 62018, 64837, 112760, 124036, 129674, 155045, 248072, 259348, 310090, 324185, 518696, 620180, 648370, 713207, 1240360, 1296740, 1426414, 2593480, 2852828, 3566035, 5705656, 7132070, 14264140, 28528280]

約数ペア:

[(1, 28528280), (2, 14264140), (4, 7132070), (5, 5705656), (8, 3566035), (10, 2852828), (11, 2593480), (20, 1426414), (22, 1296740), (23, 1240360), (40, 713207), (44, 648370), (46, 620180), (55, 518696), (88, 324185), (92, 310090), (110, 259348), (115, 248072), (184, 155045), (220, 129674), (230, 124036), (253, 112760), (440, 64837), (460, 62018), (506, 56380), (920, 31009), (1012, 28190), (1265, 22552), (2024, 14095), (2530, 11276), (2819, 10120), (5060, 5638)]