15455920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4549

約数の個数: 40

約数和(自身を含む): 36778896

約数和(自身を除く): 21322976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4493, 8986, 17972, 22465, 35944, 44930, 71888, 89860, 179720, 193199, 359440, 386398, 772796, 965995, 1545592, 1931990, 3091184, 3863980, 7727960, 15455920]

約数ペア:

[(1, 15455920), (2, 7727960), (4, 3863980), (5, 3091184), (8, 1931990), (10, 1545592), (16, 965995), (20, 772796), (40, 386398), (43, 359440), (80, 193199), (86, 179720), (172, 89860), (215, 71888), (344, 44930), (430, 35944), (688, 22465), (860, 17972), (1720, 8986), (3440, 4493)]