8968280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1613}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 20336400

約数和(自身を除く): 11368120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1613, 2780, 3226, 5560, 6452, 8065, 12904, 16130, 32260, 64520, 224207, 448414, 896828, 1121035, 1793656, 2242070, 4484140, 8968280]

約数ペア:

[(1, 8968280), (2, 4484140), (4, 2242070), (5, 1793656), (8, 1121035), (10, 896828), (20, 448414), (40, 224207), (139, 64520), (278, 32260), (556, 16130), (695, 12904), (1112, 8065), (1390, 6452), (1613, 5560), (2780, 3226)]