890258840

素因数分解:

$2^3\times 5^1\times {\mathrm{22256471}}^1$

素因数の和:22256482

約数の個数: 16

約数和(自身を含む): 2003082480

約数和(自身を除く): 1112823640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22256471, 44512942, 89025884, 111282355, 178051768, 222564710, 445129420, 890258840]

約数ペア:

[(1, 890258840), (2, 445129420), (4, 222564710), (5, 178051768), (8, 111282355), (10, 89025884), (20, 44512942), (40, 22256471)]