72106640

素因数分解:

$2^4\times 5^1\times {\mathrm{901333}}^1$

素因数の和:901346

約数の個数: 20

約数和(自身を含む): 167648124

約数和(自身を除く): 95541484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 901333, 1802666, 3605332, 4506665, 7210664, 9013330, 14421328, 18026660, 36053320, 72106640]

約数ペア:

[(1, 72106640), (2, 36053320), (4, 18026660), (5, 14421328), (8, 9013330), (10, 7210664), (16, 4506665), (20, 3605332), (40, 1802666), (80, 901333)]