71299640

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5623}}^1$

素因数の和:5951

約数の個数: 32

約数和(自身を含む): 160958880

約数和(自身を除く): 89659240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5623, 6340, 11246, 12680, 22492, 28115, 44984, 56230, 112460, 224920, 1782491, 3564982, 7129964, 8912455, 14259928, 17824910, 35649820, 71299640]

約数ペア:

[(1, 71299640), (2, 35649820), (4, 17824910), (5, 14259928), (8, 8912455), (10, 7129964), (20, 3564982), (40, 1782491), (317, 224920), (634, 112460), (1268, 56230), (1585, 44984), (2536, 28115), (3170, 22492), (5623, 12680), (6340, 11246)]