28109695280

素因数分解:

$2^4\times 5^1\times {\mathrm{15451}}^1\times {\mathrm{22741}}^1$

素因数の和:38205

約数の個数: 40

約数和(自身を含む): 65362145424

約数和(自身を除く): 37252450144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15451, 22741, 30902, 45482, 61804, 77255, 90964, 113705, 123608, 154510, 181928, 227410, 247216, 309020, 363856, 454820, 618040, 909640, 1236080, 1819280, 351371191, 702742382, 1405484764, 1756855955, 2810969528, 3513711910, 5621939056, 7027423820, 14054847640, 28109695280]

約数ペア:

[(1, 28109695280), (2, 14054847640), (4, 7027423820), (5, 5621939056), (8, 3513711910), (10, 2810969528), (16, 1756855955), (20, 1405484764), (40, 702742382), (80, 351371191), (15451, 1819280), (22741, 1236080), (30902, 909640), (45482, 618040), (61804, 454820), (77255, 363856), (90964, 309020), (113705, 247216), (123608, 227410), (154510, 181928)]