24981080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4493}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 56624400

約数和(自身を除く): 31643320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4493, 5560, 8986, 17972, 22465, 35944, 44930, 89860, 179720, 624527, 1249054, 2498108, 3122635, 4996216, 6245270, 12490540, 24981080]

約数ペア:

[(1, 24981080), (2, 12490540), (4, 6245270), (5, 4996216), (8, 3122635), (10, 2498108), (20, 1249054), (40, 624527), (139, 179720), (278, 89860), (556, 44930), (695, 35944), (1112, 22465), (1390, 17972), (2780, 8986), (4493, 5560)]