3427960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 7896240

約数和(自身を除く): 4468280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1993, 3986, 7972, 9965, 15944, 19930, 39860, 79720, 85699, 171398, 342796, 428495, 685592, 856990, 1713980, 3427960]

約数ペア:

[(1, 3427960), (2, 1713980), (4, 856990), (5, 685592), (8, 428495), (10, 342796), (20, 171398), (40, 85699), (43, 79720), (86, 39860), (172, 19930), (215, 15944), (344, 9965), (430, 7972), (860, 3986), (1720, 1993)]