3990820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5439

約数の個数: 24

約数和(自身を含む): 8608824

約数和(自身を除く): 4618004

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 5393, 10786, 21572, 26965, 53930, 107860, 199541, 399082, 798164, 997705, 1995410, 3990820]

約数ペア:

[(1, 3990820), (2, 1995410), (4, 997705), (5, 798164), (10, 399082), (20, 199541), (37, 107860), (74, 53930), (148, 26965), (185, 21572), (370, 10786), (740, 5393)]