6388400

素因数分解:

$2^4\times 5^2\times {\mathrm{15971}}^1$

素因数の和:15989

約数の個数: 30

約数和(自身を含む): 15349092

約数和(自身を除く): 8960692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 15971, 31942, 63884, 79855, 127768, 159710, 255536, 319420, 399275, 638840, 798550, 1277680, 1597100, 3194200, 6388400]

約数ペア:

[(1, 6388400), (2, 3194200), (4, 1597100), (5, 1277680), (8, 798550), (10, 638840), (16, 399275), (20, 319420), (25, 255536), (40, 159710), (50, 127768), (80, 79855), (100, 63884), (200, 31942), (400, 15971)]