40030718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 78769152

約数和(自身を除く): 38738434

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 73, 91, 131, 146, 161, 182, 262, 299, 322, 511, 598, 917, 949, 1022, 1679, 1703, 1834, 1898, 2093, 3013, 3358, 3406, 4186, 6026, 6643, 9563, 11753, 11921, 13286, 19126, 21091, 21827, 23506, 23842, 39169, 42182, 43654, 66941, 78338, 124319, 133882, 152789, 219949, 248638, 274183, 305578, 439898, 548366, 870233, 1539643, 1740466, 2859337, 3079286, 5718674, 20015359, 40030718]

約数ペア:

[(1, 40030718), (2, 20015359), (7, 5718674), (13, 3079286), (14, 2859337), (23, 1740466), (26, 1539643), (46, 870233), (73, 548366), (91, 439898), (131, 305578), (146, 274183), (161, 248638), (182, 219949), (262, 152789), (299, 133882), (322, 124319), (511, 78338), (598, 66941), (917, 43654), (949, 42182), (1022, 39169), (1679, 23842), (1703, 23506), (1834, 21827), (1898, 21091), (2093, 19126), (3013, 13286), (3358, 11921), (3406, 11753), (4186, 9563), (6026, 6643)]