7981640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5441

約数の個数: 32

約数和(自身を含む): 18447480

約数和(自身を除く): 10465840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 5393, 10786, 21572, 26965, 43144, 53930, 107860, 199541, 215720, 399082, 798164, 997705, 1596328, 1995410, 3990820, 7981640]

約数ペア:

[(1, 7981640), (2, 3990820), (4, 1995410), (5, 1596328), (8, 997705), (10, 798164), (20, 399082), (37, 215720), (40, 199541), (74, 107860), (148, 53930), (185, 43144), (296, 26965), (370, 21572), (740, 10786), (1480, 5393)]