7244680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 16430400

約数和(自身を除く): 9185720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1303, 1390, 2606, 2780, 5212, 5560, 6515, 10424, 13030, 26060, 52120, 181117, 362234, 724468, 905585, 1448936, 1811170, 3622340, 7244680]

約数ペア:

[(1, 7244680), (2, 3622340), (4, 1811170), (5, 1448936), (8, 905585), (10, 724468), (20, 362234), (40, 181117), (139, 52120), (278, 26060), (556, 13030), (695, 10424), (1112, 6515), (1303, 5560), (1390, 5212), (2606, 2780)]