79909640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53993}}^1$

素因数の和:54041

約数の個数: 32

約数和(自身を含む): 184659480

約数和(自身を除く): 104749840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 53993, 107986, 215972, 269965, 431944, 539930, 1079860, 1997741, 2159720, 3995482, 7990964, 9988705, 15981928, 19977410, 39954820, 79909640]

約数ペア:

[(1, 79909640), (2, 39954820), (4, 19977410), (5, 15981928), (8, 9988705), (10, 7990964), (20, 3995482), (37, 2159720), (40, 1997741), (74, 1079860), (148, 539930), (185, 431944), (296, 269965), (370, 215972), (740, 107986), (1480, 53993)]