40225508

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 75369420

約数和(自身を除く): 35143912

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 313, 356, 361, 626, 722, 1252, 1444, 1691, 3382, 5947, 6764, 11894, 23788, 27857, 32129, 55714, 64258, 111428, 112993, 128516, 225986, 451972, 529283, 1058566, 2117132, 10056377, 20112754, 40225508]

約数ペア:

[(1, 40225508), (2, 20112754), (4, 10056377), (19, 2117132), (38, 1058566), (76, 529283), (89, 451972), (178, 225986), (313, 128516), (356, 112993), (361, 111428), (626, 64258), (722, 55714), (1252, 32129), (1444, 27857), (1691, 23788), (3382, 11894), (5947, 6764)]