1188890840

素因数分解:

$2^3\times 5^1\times {\mathrm{29722271}}^1$

素因数の和:29722282

約数の個数: 16

約数和(自身を含む): 2675004480

約数和(自身を除く): 1486113640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 29722271, 59444542, 118889084, 148611355, 237778168, 297222710, 594445420, 1188890840]

約数ペア:

[(1, 1188890840), (2, 594445420), (4, 297222710), (5, 237778168), (8, 148611355), (10, 118889084), (20, 59444542), (40, 29722271)]