100409840

素因数分解:

$2^4\times 5^1\times {\mathrm{1255123}}^1$

素因数の和:1255136

約数の個数: 20

約数和(自身を含む): 233453064

約数和(自身を除く): 133043224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1255123, 2510246, 5020492, 6275615, 10040984, 12551230, 20081968, 25102460, 50204920, 100409840]

約数ペア:

[(1, 100409840), (2, 50204920), (4, 25102460), (5, 20081968), (8, 12551230), (10, 10040984), (16, 6275615), (20, 5020492), (40, 2510246), (80, 1255123)]