161878180

素因数分解:

$2^2\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{4649}}^1$

素因数の和:6399

約数の個数: 24

約数和(自身を含む): 340212600

約数和(自身を除く): 178334420

約数列:

[1, 2, 4, 5, 10, 20, 1741, 3482, 4649, 6964, 8705, 9298, 17410, 18596, 23245, 34820, 46490, 92980, 8093909, 16187818, 32375636, 40469545, 80939090, 161878180]

約数ペア:

[(1, 161878180), (2, 80939090), (4, 40469545), (5, 32375636), (10, 16187818), (20, 8093909), (1741, 92980), (3482, 46490), (4649, 34820), (6964, 23245), (8705, 18596), (9298, 17410)]