16315120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1871}}^1$

素因数の和:1993

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 21986000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1871, 2180, 3742, 4360, 7484, 8720, 9355, 14968, 18710, 29936, 37420, 74840, 149680, 203939, 407878, 815756, 1019695, 1631512, 2039390, 3263024, 4078780, 8157560, 16315120]

約数ペア:

[(1, 16315120), (2, 8157560), (4, 4078780), (5, 3263024), (8, 2039390), (10, 1631512), (16, 1019695), (20, 815756), (40, 407878), (80, 203939), (109, 149680), (218, 74840), (436, 37420), (545, 29936), (872, 18710), (1090, 14968), (1744, 9355), (1871, 8720), (2180, 7484), (3742, 4360)]