204865160

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{18899}}^1$

素因数の和:19181

約数の個数: 32

約数和(自身を含む): 462672000

約数和(自身を除く): 257806840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 18899, 37798, 75596, 94495, 151192, 188990, 377980, 755960, 5121629, 10243258, 20486516, 25608145, 40973032, 51216290, 102432580, 204865160]

約数ペア:

[(1, 204865160), (2, 102432580), (4, 51216290), (5, 40973032), (8, 25608145), (10, 20486516), (20, 10243258), (40, 5121629), (271, 755960), (542, 377980), (1084, 188990), (1355, 151192), (2168, 94495), (2710, 75596), (5420, 37798), (10840, 18899)]