2011966160

素因数分解:

$2^4\times 5^1\times {\mathrm{25149577}}^1$

素因数の和:25149590

約数の個数: 20

約数和(自身を含む): 4677821508

約数和(自身を除く): 2665855348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25149577, 50299154, 100598308, 125747885, 201196616, 251495770, 402393232, 502991540, 1005983080, 2011966160]

約数ペア:

[(1, 2011966160), (2, 1005983080), (4, 502991540), (5, 402393232), (8, 251495770), (10, 201196616), (16, 125747885), (20, 100598308), (40, 50299154), (80, 25149577)]