8419720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5689}}^1$

素因数の和:5737

約数の個数: 32

約数和(自身を含む): 19459800

約数和(自身を除く): 11040080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 5689, 11378, 22756, 28445, 45512, 56890, 113780, 210493, 227560, 420986, 841972, 1052465, 1683944, 2104930, 4209860, 8419720]

約数ペア:

[(1, 8419720), (2, 4209860), (4, 2104930), (5, 1683944), (8, 1052465), (10, 841972), (20, 420986), (37, 227560), (40, 210493), (74, 113780), (148, 56890), (185, 45512), (296, 28445), (370, 22756), (740, 11378), (1480, 5689)]