438257840

素因数分解:

$2^4\times 5^1\times {\mathrm{5478223}}^1$

素因数の和:5478236

約数の個数: 20

約数和(自身を含む): 1018949664

約数和(自身を除く): 580691824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5478223, 10956446, 21912892, 27391115, 43825784, 54782230, 87651568, 109564460, 219128920, 438257840]

約数ペア:

[(1, 438257840), (2, 219128920), (4, 109564460), (5, 87651568), (8, 54782230), (10, 43825784), (16, 27391115), (20, 21912892), (40, 10956446), (80, 5478223)]