31643980

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2141}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 66573360

約数和(自身を除く): 34929380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2141, 2956, 3695, 4282, 7390, 8564, 10705, 14780, 21410, 42820, 1582199, 3164398, 6328796, 7910995, 15821990, 31643980]

約数ペア:

[(1, 31643980), (2, 15821990), (4, 7910995), (5, 6328796), (10, 3164398), (20, 1582199), (739, 42820), (1478, 21410), (2141, 14780), (2956, 10705), (3695, 8564), (4282, 7390)]