28082720

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1051}}^1$

素因数の和:1233

約数の個数: 48

約数和(自身を含む): 66806208

約数和(自身を除く): 38723488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 1051, 1336, 1670, 2102, 2672, 3340, 4204, 5255, 5344, 6680, 8408, 10510, 13360, 16816, 21020, 26720, 33632, 42040, 84080, 168160, 175517, 351034, 702068, 877585, 1404136, 1755170, 2808272, 3510340, 5616544, 7020680, 14041360, 28082720]

約数ペア:

[(1, 28082720), (2, 14041360), (4, 7020680), (5, 5616544), (8, 3510340), (10, 2808272), (16, 1755170), (20, 1404136), (32, 877585), (40, 702068), (80, 351034), (160, 175517), (167, 168160), (334, 84080), (668, 42040), (835, 33632), (1051, 26720), (1336, 21020), (1670, 16816), (2102, 13360), (2672, 10510), (3340, 8408), (4204, 6680), (5255, 5344)]