40894028

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5639}}^1$

素因数の和:5694

約数の個数: 36

約数和(自身を含む): 85513680

約数和(自身を除く): 44619652

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 5639, 7252, 11278, 22556, 39473, 78946, 157892, 208643, 276311, 417286, 552622, 834572, 1105244, 1460501, 2921002, 5842004, 10223507, 20447014, 40894028]

約数ペア:

[(1, 40894028), (2, 20447014), (4, 10223507), (7, 5842004), (14, 2921002), (28, 1460501), (37, 1105244), (49, 834572), (74, 552622), (98, 417286), (148, 276311), (196, 208643), (259, 157892), (518, 78946), (1036, 39473), (1813, 22556), (3626, 11278), (5639, 7252)]