155665520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47459}}^1$

素因数の和:47513

約数の個数: 40

約数和(自身を含む): 370757520

約数和(自身を除く): 215092000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 47459, 94918, 189836, 237295, 379672, 474590, 759344, 949180, 1898360, 1945819, 3796720, 3891638, 7783276, 9729095, 15566552, 19458190, 31133104, 38916380, 77832760, 155665520]

約数ペア:

[(1, 155665520), (2, 77832760), (4, 38916380), (5, 31133104), (8, 19458190), (10, 15566552), (16, 9729095), (20, 7783276), (40, 3891638), (41, 3796720), (80, 1945819), (82, 1898360), (164, 949180), (205, 759344), (328, 474590), (410, 379672), (656, 237295), (820, 189836), (1640, 94918), (3280, 47459)]