17415280

素因数分解:

$2^4\times 5^1\times {\mathrm{217691}}^1$

素因数の和:217704

約数の個数: 20

約数和(自身を含む): 40490712

約数和(自身を除く): 23075432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217691, 435382, 870764, 1088455, 1741528, 2176910, 3483056, 4353820, 8707640, 17415280]

約数ペア:

[(1, 17415280), (2, 8707640), (4, 4353820), (5, 3483056), (8, 2176910), (10, 1741528), (16, 1088455), (20, 870764), (40, 435382), (80, 217691)]