2100295280

素因数分解:

$2^4\times 5^1\times {\mathrm{26253691}}^1$

素因数の和:26253704

約数の個数: 20

約数和(自身を含む): 4883186712

約数和(自身を除く): 2782891432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26253691, 52507382, 105014764, 131268455, 210029528, 262536910, 420059056, 525073820, 1050147640, 2100295280]

約数ペア:

[(1, 2100295280), (2, 1050147640), (4, 525073820), (5, 420059056), (8, 262536910), (10, 210029528), (16, 131268455), (20, 105014764), (40, 52507382), (80, 26253691)]